Camping equipment weighing 6000 n is pulled across a frozen lake by means of a horizontal rope. the coefficient of kinetic friction is 0.05. the work done by the campers in pulling the equipment 1000 m at constant velocity is:

The Work Done is

Explanation:

Since , the equipment is pulled  in horizontal horizontal plane.

Therefore, its normal reaction must be equal to its weight.

So, Normal reaction,

We know, frictional force ,

(Where N is Normal reaction and is coefficient of kinetic friction )

Therefore,

We know ,

( Here D is distance covered by the force)

Putting, D=1000 m.

We get , Work Done

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