If a block slides down an inclined plane having friction with a spring attached to the...

If a block slides down an inclined plane having friction with a spring attached to the horizontal plane at the bottom of the plane.Find the coefficine tof kinetic friction.

mass of the block is 10 kg and the angle is 30 degrees

the spring constant is 500 N/m

Expert Solution

when the block slides down

we have the weight of the block mg divide into two perpendicular components at an angle are

one is mg cos balanced by normal reaction R

other one is mg sin acting on the moving down direction of block

and the block moving down on inclined plane experience frictional force opposite to the direction of motion of block

that is f_kk R _k mg cos

coefficient of kinetic friction _k tan tan 30⁰ 1/ sqrt (3 ) 0.577

genius_generous answered 5 months ago

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