questions in brief
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:
two fingers
water
muscular force of labourer
frictional force
muscular force of foot
Explanation:
a)lemon comes out
b)water exerts force against the person and person also apply force that is pushing water backward and because of which he can swim
c)cart moves forward
d)car stops
e)he is able to make long jump
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