Question

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In the following statements, identify the agent exerting the force and object on which its acts. state the effect of the force in each case.
(a) Squeezing a piece of lemon between the fingers to extract the 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.

Answer 1

Heya. !!!!

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(a) In squeezing a piece of lemon, we make use of muscular force to extract its juice. This muscular force acts on the lemon. As a result, the shape of the lemon gets changed.

(b) We use our muscular force to take out paste from a toothpaste tube. The muscular force acts on the toothpaste tube. As a result, the shape of the tube gets changed.

(c) Here, the suspended load exerts a force on the spring and pushes the spring downwards. As a result, the spring gets stretched. Hence, its shape gets changed.

(d) An athlete pushes the ground with his feet. His feet exert a muscular force on the ground. This allows him to jump over the bar. As a result, his state of motion gets changed.

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Hope it helps u! !

# Nikky

Answer 2

Agents exerting forceObject on which force actsEffect of force      (a) Fingers            LemonLemon juice is extracted      (b) Fingers            Toothpaste tubeToothpastes comes out      (c) A load            Spring      The spring expands      (d) An athlete            On the legs      Cleans the height
hope it helps you