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Can you say me when to use F=(mu.mg)/(cos theta+mu.sin theta) and F=(mu.mg)/(cos theta-mu.sin theta)?

Can you say me when to use F=(mu.mg)/(cos theta+mu.sin theta) and F=(mu.mg)/(cos theta-mu.sin theta)?

Grade:11

2 Answers

ROSHAN MUJEEB
askIITians Faculty 833 Points
3 years ago
dear student,
first formula used when block is going up.second one is when block goes down
kapil chahar
18 Points
3 years ago
first formula used when block is going up.second one is when block goes down
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