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Work Energy Theorem

Two trucks, o...

Question

Two trucks, one lightly loaded and one heavily loaded are moving with same speed. Then, it is easy to stop

A

Lightly loaded truck

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B

Heavily loaded truck

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C

Both truck with same force

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D

Incomplete information

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Solution

The correct option is A
Lightly loaded truck

It is easier to stop a lightly loaded truck as its Kinetic Energy is less that the heavily loaded truck.Kinetic energy is directly proportional to mass of a body moving at constant speed, so higher the mass more is the Kinetic energy, and hence more difficult to stop the truck.

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