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

  • question_answer
    Describe an activity to demonstrate Newton's third law of motion.

    Answer:

                                                                                                   Take a rubber balloon and inflate it. Attach it to a straw and connect it between two rigid supports as shown in the figure. Prick the balloon with a pin. The balloon moves in opposite direction of escaped air. This shows that the force with which air is pushed out, is exerted in opposite direction by air on the balloon.                                                              


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