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Question
A large truck and a car, both moving with a velocity of magnitude v, have a head-on collision. If the collision lasts for 1 s which vehicle experiences greater force of impact?
A large truck and a car, both moving with a velocity of magnitude v, have a head-on collision. If the collision lasts for 1 s which vehicle experiences greater force of impact?
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Solution
The correct option is C Both experience equal and opposite force
Let, mass of truck=M
Mass of car=m
Velocity of truck=v
Time for which collision lasts, t=1s
Velocity of car =−v
(Negative sign for opposite direction of motion).
According to third law of motion,on collision, both the vehicles experience the same force, as action and reaction are equal.
Let, mass of truck=M
Mass of car=m
Velocity of truck=v
Time for which collision lasts, t=1s
Velocity of car =−v
(Negative sign for opposite direction of motion).
According to third law of motion,on collision, both the vehicles experience the same force, as action and reaction are equal.
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