Which of the following options correctly states the agent exerting the force in the following situations?

Expelling lemon juice by squeezing it between the fingers.
Taking out paste from a toothpaste tube.
A load is suspended from a spring while its other end is on a hook fixed to the wall.
An athlete taking a high jump to clear the bar at a height of $5 meters$ .

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Fingers, fingers, load, body

Fingers, tube, load, body

Fingers, fingers, load, bar

Fingers, fingers, hook, body

answer is A.

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Detailed Solution

The correct option is

1

.
In the first case, force is exerted by the fingers on the lemon to squeeze it.
In the second case, force is exerted by the fingers on the toothpaste tube to get the toothpaste from the tube.
In the third case, force is exerted by the load on the spring, which results in the stretching of the spring.
In the last case, force is exerted by the athlete on the earth, which helps him jump and clear the bar of

5 meters

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