Question

state the reasons for the following
a) all cars are provided with seat belt.
b) It is dangerous to jump out of a moving bus.
c) A ball is allowed to roll down from an inclined plane it reaches the foot of the plane ,it continues and stops after traveling some distance. Is this violation of inertia .Give reasons..

Answer 1

a) because of the inertia of rest
b) because of the inertia of motion if we come suddenly in motion then we will fall
c) no it is not violation of inertia but in books we talk about frictionless floor

Answer 2

heymate.

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so ● (a) Because of the safety of the travellers and it also follows the law of inertia is that when the driver applies break u come forward but ur body tend to remain in motion.



● (b) Its also because of inertia means ur in a moving bus but if u jump u'll fall because ur body will tend to remain in motion.



● (c) No, its not the violation of inertia necause a external force is acting on the ball.


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