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a box is moved 10 m across a smooth floor by a force making a downward angel with the floor, so that there is effectively a 10 N force acting parallel to the floor in the direction of motion and a 5N force acting perpendicullar to the floor the work done is

Question

a box is moved 10 m across a smooth floor by a force making a downward angel with the floor, so that there is effectively a 10 N force acting parallel to the floor in the direction of motion and a 5N force acting perpendicullar to the floor the work done is

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Step 1

Work done is,

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Step 2

The above equation shows that the force which applied perpendicular to direction of motion of object does zero work. This is because cosine...

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