No work is done when a.a nail is plugged into a wooden block b. there is no component of force parallel to the direction of motion c. there is no component of force normal to the direction of motion . I cant find the answer can you please help me ?
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C . there is no component of force, parallel to the direction of motion
The formula for work done when the force is applied at an angle to the direction of motion is given by,
W=FScosθ
When there will be no component of force, parallel to the direction of motion then force F in direction of motion is zero, so work done will also be zero.
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