9th Class Social Science Force and laws of motion Question Bank 9th CBSE Social Science Force and laws of motion

  • question_answer
      Two friends were playing 'catch the ball' in a park. A was able to catch the ball comfortably without hurting himself, while 'B' was hurt every time he caught a ball. Finally B asked A how he could catch the ball with ease. A explained the phenomena to B. B thanked him. Why was A not hurt while catching the ball? Compare and contrast the values of A and B.

    Answer:

                      (i) A would lower his hands while catching the ball. This increased time of momentum change and ball exerted less force on hands of A.                                                                             (1) (ii) B is inquisitive, accommodating and a keen observer. A is scientifically tempered, logical and has applicative mind.                    (1+1)


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