9th Class Science Sample Paper Sample Paper - 3 Term - 1

  • 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. (a) Why was A not hurt while catching the ball? (b) Compare and contrast the values of A and B.

    Answer:

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


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