Question

Hey guys
I am new to brainly.....YAY!!!!!
Btw what is KiNeTiC eNeRgY

Answer 1

Kinetic energy is the energy an object has because of its motion.

If we want to accelerate an object, then we must apply a force. Applying a force requires us to do work. After work has been done, energy has been transferred to the object, and the object will be moving with a new constant speed. The energy transferred is known as kinetic energy, and it depends on the mass and speed achieved.

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Answer 2

Hi there !

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Welcome to brainly at first! Thanks for the question.

Answer :

Kinetic Energy : The energy of an object because of its motion is called its kinetic energy.

Let's see it in details ;

Consider a ball kept in contact with a block on a table [see the first picture]. The ball and the block stay at rest and no work is done by the ball on the block [see the 2nd picture]. Now suppose, the ball is separated from the block and is moved towards it with a speed v.

Also, suppose that The ball sticks to the block as it hits it. The ball pushes the block forward and the block is displaced. So, the moving ball can do work on the block whereas the same ball, when at rest, cannot do any work.

We conclude that a moving ball has more capacity to do work than an otherwise similar ball at rest. In other words, a body has more energy when it is moving than when it is at rest.

Therefore, the energy of an object because of its motion is called its kinetic energy.

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Thanks for the question !

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