1.
In the following situations, identify the agent exerting the force. Also, state
the effect of the force in each case.
(a) Squeezing a piece of lemon between the fingers to extract its juice.
(b) A person diving into a swimming pool.
(c) A labourer moving a loaded cart.
(d) A car coming to rest once its engine is switched off.
(e) An athelete making a high jump to clear a bar kept at a certain height.
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Answer:
(a) in squeezing of lemon force applied is muscular force by our fingers
(b) in this case of swimming pool the person is dividing it with the help of its muscles the hence there will also acting muscular force
(c) in moving offloaded karte arm muscles is applying force hence there will be muscular force
(e) where is also muscular force in the athlete case
Explanation:
this all occur due to Newton first law of motion
that is the unbalanced force acting on the object which make it move or make it in the state of motion
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