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A box is sliding on a rough surface at a constant speed. Which statement is TRUE? 1....

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Physics

A box is sliding on a rough surface at a constant speed. Whichstatement is TRUE?

1. Work done by gravity is negative

2. Friction deos not do any work

3. Work done by friction is negative

4 Work done by friction can be either positive or negativedepending on direction of motion?

Answer & Explanation Solved by verified expert
3.6 Ratings (498 Votes)
The right option for this Question is 4 Work Done by Friction is Negative When a body slides along a surface horizontal then the Work Done by Gravity is Zero Which rules out    See Answer
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