Question

A force of 10 N acting on at angle 60 degree with the horizontal direction displaces body 2 m along the surface of the floor. Calculate the work done?​

Answer 1

Question :

A force of 10 N acting on at angle 60 degree with the horizontal direction displaces body 2 m along the surface of the floor. Calculate the work done?

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Answer :

We know that,
W = FS cos q  

= 10 x 2 x cos 60 degreee  
= 20 x ½ = 10 J

10 J is the work done.

Answer 2

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$Work done = Force X Displacement (cos0)\\Work done = 10 X 2 cos60°\\Cos60° = 1/2\\So,\\Work done = 10 X 2 X 1/2=10J$

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