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Question
Answer the following.
A block of mass 37 kg rests on a rough horizontal plane having coefficient of static friction 0.3. Find out the least force required to just move the block horizontally.
Solution
Given: m = 37 kg, μS = 0.3, g = 9.8 m/s2
To find: Limiting force (FL)
Formula: FL = μSN = μSmg
Calculation: From formula,
FL = 0.3 × 37 × 9.8 = 108.8 N
The force required to move the block is 108.8 N.
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