support with example that compound formation takes place with energy changes using water formation and iron sulphide formation
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Answer the following questions in brief.
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 divideAnswer the following questions in brief.
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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