Physics
In figure, a block of weight 15 N is hanging from a rigid support by a string. What force is exerted by —
(a) block on the string,
(b) string on the block.
Name them and show them in the diagram.
Laws of Motion
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Answer
(a) The force exerted by the block on the string is 15 N acting downwards due to the weight of the block.
(b) The force exerted by the string on the block is 15 N acting upwards because of the tension generated.
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