can friction force be brought back to zero
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Since, the direction of motion of the block and the direction of frictional force is opposite to each other, the work done by friction is negative. The work done by friction can also be zero.
Answered by
1
Answer:
Since, the direction of motion of the block and the direction of frictional force is opposite to each other, the work done by friction is negative. The work done by friction can also be zero.
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