Question

Rahul and his father are playing “catch the ball” at home. Rahul’s father was able to catch the ball

comfortably without hurting himself, while Rahul was hurt everytime he caught the ball. Finally Rahul

asked his father how he could catch the ball with ease. Rahul’s father explained the method to Rahul.

Rahul thanked his father.

(a) What method of catching the ball do you think was explained by Rahul’s father? [2]

(b)Why do you think the method stated by you in ans (a) would not hurt Rahul? [2]

(c) Is there any law which governs this method? Name the law. [2]

(d)State the law given by you in answer (c)? [2]

(e) What is the mathematical expression of the law?​

Answer 1

Answer:

a) by increasing the time speed decreases as speed is inversely proportional to time.

b) as mentioned above down hands so that time increases and speed decreases.

c) Newton's second law of motion which tells us decrease the rate of change of momentum by increase the time

d) Newton's second law of motion is F = ma, or force is equal to mass times acceleration.

e) F=ma