A large truck and a car, both moving with a velocity of magnitude $v,$ have a head-on collision and both of them come to halt after that. If the collision lasts for $10 s$ . Which vehicle experiences the greater force of impact?

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Truck

Car

Both 1 and 2

None of these

answer is C.

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Detailed Solution

A large truck and a car, both moving with a velocity of magnitude v, have a head-on collision and both of them come to halt after that. If the collision lasts for

10 s

. Both the car and truck will experience an equal force of impact.
Given data
Let, mass of truck

= M

Mass of car

= m

Velocity of truck

= v

Time for which collision lasts,

t = 1 s

Velocity of car

= - v

(Negative sign for opposite direction of motion).
According to the third law of motion, on collision, both the vehicles experience the same force, as action and reaction are equal.

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