It is better to use crow bar to displace a heavy load than with hands . Give reason .​

Answers

Answer 1

Explanation:

Cause it multiples force which makes it easier to move.


Related Questions

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Answers

Answer:

should be D

Explanation:

pls make this the brainliest

A shift inward of the production possibilities curve signifies that _

A. The demand for the products has increased, so the supply will increase
B. The available resources have increased, so potential production levels will increase
C. The available production resources have decreased, so potential production levels will decrease
D. The demand for the products has decreased so, the supply will decrease

Answers

Answer:

c

Explanation:

A shift inward of the production possibilities curve signifies that: C. The available production resources have decreased, so potential production levels will decrease.

A production possibilities curve (PPC) is also referred to as production possibilities frontier (PPF) and it can be defined as a curve that illustrates the maximum (best) combinations of two (2) products which can be produce in an economy if they both depend on these two (2) main factors;

Fixed technology. Fixed resources.

Basically, the production possibilities curve (PPC) illustrates the maximum combinations of goods that are available with fixed technology and resources.

Furthermore, an inward shift of the production possibilities curve (PPC) signifies that the available resources used for production have decreased, so potential production levels would also decrease.

Read more: https://brainly.com/question/17053992

initially theres a magnetic field of 1.1T through the center of the coil at a right angle.The magnitude reverses direction in 0.1secs. Calculate the average current flowing in the solenoid during this time interval .

Answers

Answer:

Explanation:

the aversge is 3.4t

explain buoyancy in one sentence

Answers

Answer:

the tendency of a body to float or to rise when submerged in a fluid testing an object's buoyancy.

Explanation:

The meaning is from Merriam Webster for more such unique nd it also has easy meanings you can download that

(Source Merriam Webster)

Hope it helps unnie

Mark me as Brainliest plz!

Have a nice day

Anything that displaces fluid is acted on by an upward force equal to the weight of the displaced fluid.

pls give me an answer

Answers

Answer:

IV what is it's potential energy at the maximum height

if the density of mercury is 13600kg/m³. calculate the amount of Mercury found in 5m³of volume ​

Answers

Explanation:

Relative density of mercury = 13600 Kgm-3/1000 kg m-3 = 13.6.

3. The xylem and phloem arranged side by side on same radius is called a) radial b) amphivasal c) conjoint d) None of these 4. Which is formed during anaerobic respiration a) Carbohydrate b) Ethyl alcohol b) Acetyl Coa d) Pyruvate 10th Standard Science 184​

Answers

[tex]\huge{ \color{violet}{ \boxed{ \color{hotpink}{Answer}}}}[/tex]

3. The xylem and phloem arranged side by side on same radius is called

a) radialb) amphivasal C) Conjoint d) None of these

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4. Which is formed during anaerobic respiration

a) Carbohydrate B) Ethyl alcohol ⚘ b) Acetyl Coa d) Pyruvate 10th Standard Science 184

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An atomic scients was studying an atom and through experimentation found that the total negative charge of the
area sounding the nucleus 9 Which statement correctly descnbes this atom?
This atom has time clouds
This atom has nine electrons
This atom has nine neutrons
This atom has the protons

Answers

this atom has nine electrons

Explanation:

since electrons are found outside the nucleus of an atom and they are negatively charged

Una bola de ping pong de 10 g. de masa rueda a 10 m/s hacia una bola de pool de 250 g de masa, inicialmente quieta. Luego del choque la pelota rebota hacia la izquierda con una velocidad de 5 m/s. Calcular la velocidad que adquiere la bola de pool, si esta pelota se movía hacia la izquierda con una velocidad de 0.4 m/s antes del choque

Answers

Shahehehebeidvejdvdje xidveidbdhx rudhejdbdhd

Weigt A box sitting still on the ground by itself has a weight of 700N, what is the mass? (gravity's acceleration is 9.80 m/s2)​

Answers

Force=700NAcceleration=9.8m/s^2

Using newtons law

[tex]\\ \rm\longmapsto F=ma[/tex]

[tex]\\ \rm\longmapsto m=\dfrac{F}{a}[/tex]

[tex]\\ \rm\longmapsto m=\dfrac{700}{9.8}[/tex]

[tex]\\ \rm\longmapsto m=71.4kg[/tex]

Right hand rule exercise
1. A wire in a magnetic field is acted on by a force into the plane of the page as shown
below.
F
What is direction of current induced in the wire?
A) Downwards
B) Upwards
2. A wire in a magnetic field is acted
busforce

Answers

Answer:

A yxiigxih5dd8yixc99uf8g

Describe a procedure the student could use with the lab setup shown in order to determine the average velocity of the marble as it travels down the inclined ramp. Include what variables would need to be measured and how to measure them.

Answers

Variables - Initial position, Final position, Distance between Positions, Time.

Instruments - Ruler (Distance between Positions), Chronometer (Time)

Average Velocity is equal to the change in Position divided by Time. Since Incline is a Straight Line, then Position Change and Traveled Distance are the same. In this case, we need to define Initial and Final Position of the marble, and then we have to measure the distance between these Points.

Distance between Initial and Final Position can be measured by a Ruler, whereas Time can be measured by a Chronometer.

In a nutshell, Initial and Final Position and Time are variables needed to be measured. Besides, Distance between Initial and Final Position can be found by means of a Ruler, and Time is found with the help of a Chronometer.

Please see this question related to concept of Average Velocity: https://brainly.com/question/862972

Which statement is true?

A. When a gas condenses to a liquid, it absorbs energy.
B. When water boils, it releases energy.
C. When ice melts, it absorbs energy.
D. When water freezes, it absorbs energy.

Answers

Explanation:

The correct answer is option B

Answer:

C. When ice melts, it absorbs energy.

Explanation:

When ice melts, it is getting hotter by absorbing energy and changes from a solid to a liquid. This is an endothermic reaction.

I just need a little starter for this paragraph!

Answers

Answer:

The north part of the compass needle is attracted to the magnetic south pole of Earth, which is also known as the geographical north pole.  When it comes to magnets, opposites attract. This fact means that the north end of a magnet in a compass is attracted to the south magnetic pole, which lies close to the geographic north pole. Magnetic field lines outside of a permanent magnet always run from the north magnetic pole to the south magnetic pole. Therefore, the magnetic field lines of the earth run from the southern geographic hemisphere towards the northern geographic hemisphere.

Explanation:

multipling vectors
what's the answer of this
a= 3cm, 90°
b=4cm, 0°

A×B vector=?? ​

Answers

Answer:

12

Explanation:

A x B = |A||B|sin ©

A x B = 3x4 sin 90

= 12

URGENT
Find the total
equivalent
resistance for the
circuit.

Answers

Answer:

[tex]20 + 10 = 30 \\ 30and50 in \: parallel \\ = \frac{50 \times 30}{50 + 30} \\ = \frac{1500}{80} \\ 18.75 \\ 30nd40parallel \\ \frac{30 \times 40}{70} \\ \frac{1200}{70} = 17.143 \\ total = 18.75 + 17.143 = 35.893ohm \\ thank \: u[/tex]

Answer:

[tex]20 + 10 = 30 \\ \\ \frac{50 \times 30}{50 + 30} \\ \\ \frac{1500}{80} \\ \\ = 18.45 \\ \\ = second \: \\ \\ \frac{30 \times 70}{70} \\ \\ \frac{1200}{70} \\ \\ = 17.143 \\ \\ total = 18.45 + 17.143 \\ \\ = 35.830hm[/tex]

a truck starts to move from rest if it given the acceleration of 3 metre per second square in 5 second calculate the final velocity and distance covered by truck in full process​

Answers

Hope this helps. Plzz let me know if you have any further doubts :)

what's is meant by relative motion?​

Answers

Relative motion means a motion relative to a reference point. We can also say, relative motion means motion referred or observed from a reference point.

For example, Alex is in a train and Ace is at the station, when the train starts moving, for Ace it is moving at a speed of 10 m/s, but for Alex it is moving at 0 m/s, or we can say that it is at rest for Alex, but in motion for Ace. This is relative motion.

Answer:

relative motion is the motion of an object compared to that of another object.for example two cars driving in the same highway in the same direction.

I hope this helps

For a transverse wave, what is a wavefront?

Answers

Answer:

A wavefront is the long edge that moves, for example, the crest or the trough. Each point on the wavefront emits a semicircular wave that moves at the propagation speed v.

Answer:

A wavefront is a surface containing points affected in the same way by a wave at a given time such as crest and troughs

How long do Living to Serve projects last?

Answers

Answer:

It only took me an hour

Explanation:

Name the different forms of energy.
1.Chemical energy
2.Electrical energy
3.Radiant energy
4.Mechanical energy
5.Thermal energy
6.Nuclear energy.​

Answers

Answer:

thermal energy is the different forms of energy

Adam is driving his truck at 18 m/s for a distance of 46 m, how much time was Adam driving?

Answers

Answer:

2.6 seconds

Explanation:

You have to divide the distance by the velocity to find the time:

46/18 = 2.55 ≈ 2.6 seconds

The answer you are looking for is approximately 2.6 seconds.

Solution/Explanation:

To get the correct answer, you must divide the distance and velocity.

This means that 46÷18=2.5556.

2.5556≈2.6.

So, therefore, the final answer is approximately 2.6 seconds.

I hope that this has helped you. Enjoy your day, and take care.

what is the total number of natural element ?​

Answers

Answer:

94

Explanation :

Of these 118 elements, 94 occur naturally on Earth. Six of these occur in extreme trace quantities: technetium, atomic number 43; promethium, number 61; astatine, number 85; francium, number 87; neptunium, number 93; and plutonium, number 94.

source: Wikipedia

what are fundamental and derived unit​

Answers

Answer:

Fundamental units are all those units which are independent of any other unit (including themselves). Derived units are all those units which are obtained by multiplying and/or dividing one or more fundamental units with or without introducing any other numerical factor.

Fundamental unit are the units of the fundamental quantities
There fundamental quantities are the basic quantities from which other quantities can be derived e.g length ,mass e.t.c


Derives unit are being derived from the combination of two or more fundamental quantities e.g Density=Mass/Volume

S=1/2(u+v)t

i. u as subject
ii. V as subject

Answers

Answer:

i. [tex]u=\frac{2s}{t}-v[/tex]

ii. [tex]v=\frac{2s}{t}-u[/tex]

Explanation:

i.)

[tex]s=\frac{1}{2}(u+v)t\\\\2s=(u+v)t\\\\\frac{2s}{t}=u+v\\\\\frac{2s}{t}-v=u[/tex]

ii.)

[tex]s=\frac{1}{2}(u+v)t\\\\2s=(u+v)t\\\\\frac{2s}{t}=u+v\\\\\frac{2s}{t}-u=v[/tex]

a leaver raised 500N lode using 200N effort. if load distance and effort distance are 20 cm and 60 cm respectively, calculate mechanical advantage, velocity ratio and efficiency of this lever.​

Answers

Answer:

Ans:

Explanation:

MA=L/E=500N/200N=5/2

VR=ED/LD=60cm/20cm=3

Thus, Efficiency=(Ma*100%)/VR=83.34%

how can I use theory and law in the same sentence in a scientific way and in every day use​

Answers

Answer:

Explanation:

There are many laws in physics, that started out as theories and became scientific truths only after an experiment was performed that confirmed that the theory was true.

One of the most famous theories was the guess that the gravitational Force was a constant amount that depended on mass and distance. It was incredibly difficult to prove because the with large masses and small distances, the force is quite small.

Newton proposed the existence of the gravitational force in 1687 and Cavendish found its precise truth in 1798 -- 111 years after Newton said it was so.

Newton proposed a theory. Cavendish proved it to be a law later. Even then, Einstein proposed the modern law.

why knowledge of measurement is important for everyone.​

Answers

By knowing measurement and its basics we can survive in life.Suppose you go to an market and you ask for Onions .You have to ask it in amount and units of mass i.e kg or gram .If you don't know basic units You will be trolled .

Here are some basic SI units .

Temp-Kelvin(K)Mass-KgDistance=meter(m)Force-Newton(N)

6300 divided by 32.8

Answers

6300÷32.8=192.07317073

6300÷33=190.90909091

please mark this answer as brainlist

The answer is 192.0731707317 and if you round it it’s going to be 196

ILL MARK BRAINILESS IF YOU DO THIS CORRECTLY

Pick one of the three people and explain why they are famous/known for and how this relates to physics. Isaac Newton, Benjamin Franklin, or Galileo Galilei. 1) An introductory statement (aka: A Hook) 2) A Thesis statement (aka: Something to Prove) 3) Three reasons to support your thesis. 4) If you are feeling fancy, a conclusion.

Answers

Answer:

GALELOI GALELEI:HE WAS A FAMOUS SCIENTIST WHO MADE PENDULAM ALSO HE EXPLAINED THE MOTION AND INERTIA

ISAAC NEWTON:3 LAWS OF MOTION,3 FORMULAS OF MOTION,GRAVITY

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