Question

If the truck gives a 200 N of force, how much force

does the boy exert to the truck?​

Answer 1

Answer:

The boy is exerting 200 N of force to the truck.

Explanation:

From the above question,

They have given :

The boy's exertion of force to the truck depends on how he is pushing the truck. If he is pushing the truck with 200 N of force, then the boy is exerting 200 N of force to the truck.

For an object to move with constant velocity, net external force experienced by it must be equal to ZERO  

     

i.e,    $F_{external}$ = 0

The amount of force that the boy exerts to the truck depends on how he is pushing the truck and the amount of force the truck is giving. If the truck is giving 200 N of force and the boy is pushing with the same amount of force, then the boy is exerting 200 N of force to the truck.

Thus a friction of 200 N must be exerted on the cabinet so that it moves with a constant velocity under the applied horizontal force of 200 N.

Hence,

The boy is exerting 200 N of force to the truck.

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