In the following situations identify the agent exerting the force and the
object on which it acts. State the effect of the force in each case.
suspended from a spring while its other end is on a hook fixed to a wall.
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(a) While squeezing a piece of lemon, we use our muscular force using our fingers, to extract its juice. This muscular force acts on the lemon. As a result, the shape of the lemon gets changed.
(b) While taking out paste from a toothpaste tube, we use our muscular force using our fingers. This muscular force acts on the toothpaste tube. As a result, the shape of the tube gets changed.
(c) The suspended load exerts a force on the spring and pushes the spring in the downward direction. As a result of which, the spring gets stretched. Hence, its shape gets changed.
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