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CBSE Class 12-science Answered

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Asked by jain.pradeep | 31 May, 2019, 01:38: PM
answered-by-expert Expert Answer
when the block moves with constant speed, acceleration is zero or net force acting on block is zero.
Hence friction force equals the component of applied force Fcosθ acting along the direction opposite to friction force.
 
Hence,    F cosθ = f   or   F = f/cosθ
Answered by Thiyagarajan K | 01 Jun, 2019, 10:45: AM
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