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.

(a) Squeezing a piece of lemon between the fingers to extract its juice.


(b) Taking out paste from a toothpaste tube.


(c) A load suspended from a spring while its other end is on a hook fixed to a wall.


(d) An athlete making a high jump to clear the bar at a certain height.

(a)


Agent exerting the force



Object on which force acts



Effect of force



Fingers



Lemon



Change in shape of lemon




(b)


Agent exerting the force



Object on which force acts



Effect of force



Fingers



Toothpaste



Change in shape of toothpaste tube



(c)


Agent exerting the force



Object on which force acts



Effect of force



Load



Spring



Change in shape of spring



(d)


Agent exerting the force



Object on which force acts



Effect of force



Muscles of Athlete



Athlete



Change of state of motion of athlete



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