A large truck and a car, both moving with speed v, have a head on collision and both of them come to halt after that. If the collision lasts for 10 s.
Q. A large truck and a car, both moving with speed v, have a head on collision and both of them come to halt after that. If the collision lasts for 10 s.
(i) Which vehicle experiences the greater force of impact?
(ii) Which vehicle experiences the greater momentum change?
(iii) Which vehicle experiences the greater acceleration?
(iv) Why is the car likely to suffer more damage than the truck?
Ans. (i) Both the vehicles experience same force of impact as action and reaction are equal and opposite.
(ii) The truck experiences a greater change in momentum on account of its greater mass.
(iii) The car experiences greater change in acceleration as force remaining same, acceleration is inversely proportional to mass.
(iv) Because of greater change in acceleration the car will suffer more damage.
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