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.

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(b) Taking out paste from a toothpaste tube.

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

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

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Agent exerting the force

Object on which force acts

Effect of force

(a)

Fingers

Lemon

Change in shape of the lemon

(b)

Fingers

Toothpaste

Change in shape of toothpaste tube

(c)

Load

Spring

Change in shape of the spring

(d)

Muscles of Athlete

Ground

Change in state of the motion of the athlete

  1. Class 8
  2. Chapter 11 Class 8 - Force And Pressure

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CA Maninder Singh is a Chartered Accountant for the past 9 years and a teacher from the past 16 years. He teaches Spoken English, Written English, Grammar and Vocabulary at Englishtan.