20. Assertion: You can walk in a rope horizontally connected between two poles if you have a mass of
length L in you hand in parallel to theground
Reason: the centre of mass of the man and the stick is at one end of the stick.
(a) Assertion is correct and reasonisincorrect
(c) bothare incorrect
(b) assertion is incorrect and reason iscorrect
(d) both arecorrect
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Answer:
Define normal and tension forces.
Apply Newton’s laws of motion to solve problems involving a variety of forces.
Use trigonometric identities to resolve weight into components.
Forces are given many names such as push pull thrust lift weight friction and tension.
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The answers is
both are incorrect (c)
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