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a body of mass w is kept on a rough surface . angle of friction is @(theta).wht is the force required 2 just move it...............?????

a body of mass w is kept on a rough surface . angle of friction is @(theta).wht is the force required 2 just move it...............?????

Grade:10

1 Answers

Sanjeev Malik IIT BHU
101 Points
10 years ago

frictional force maximum is = uwg   (u= coefficient of friction)

as it is at some angle, so frictional force parallel to ground or horizontal is = uwgcos@

also this is the min force to overcome friction or just move the body.

 

 

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