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sukhopar [10]
3 years ago
11

Friction is generated when?

Physics
1 answer:
valkas [14]3 years ago
8 0
Things are rubbed against each other
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What do you observe as you immerse the empty jug in a bucket which contains water? Explain why you observe this phenomenon. ​
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How much work did the movers do (horizontally) pushing a 170-kg crate 10.2 m across a rough floor without acceleration, if the e
zhannawk [14.2K]

Answer:

Work done, W = 10195.92 Joules

Explanation:

Given that,

Mass of the crate, m = 170 kg

Distance, d = 10.2 m

The coefficient of friction, \mu=0.6

Let W is the work done by the mover. It is given by in terms of coefficient of friction as :

W=\mu mg\times d

W=0.6\times 170\times 9.8 \times 10.2

W = 10195.92 Joules

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