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Ramya Ananth Grade:
        

a block of mass m is pulled along a horizontal frictionless surface by applying a force at an angle with the horizontal. if the block travels with uniform velocity and has a displacement d and the co efficient of friction is mu, then find the work done by the applied force

5 years ago

Answers : (1)

Kurma Anudeep
30 Points
										

as it is frictionless , then v=constant and a=0,


resultant force=0


therefore,


fcostheta-f=0


fcostheta=f=mu mg


W=fcostheta * S=mu mg*S


thank you

5 years ago
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