Question

pleasesolve this problem force and laws of motion which is circled with blue pen

Answer 1

45. Inertia is that property of an object due to which it resists any change in its state of motion.

46. Newton's third law of motion states that to every action there is an equal and opposite reaction .

55. This is because when we jump our body has a great amount of inertia of motion, but as fell on the ground it is reduced to zero in very less amount of time exerting a large force which will act on our body and we can get hurt.

56. This is done so that the time taken for the ball's momentum to come at zero is increased , so that less force is exerted.

57. They have a posture while landing in which the time taken to reduce there momentum is increased due to which the force exerted will be less.



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