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Grade: 12
        a block  of  mass  200 kg is  kept on a  rough  horizontal  surface. It just begins to move when a force of  200 kg  wt. is applied  .calculate  the  coefficient  of static  friction.
2 years ago

Answers : (1)

Arun
23506 Points
							
Dear Rudra
 
Mass = 200 kg.

Force = 200 N.

Coefficient of static friction = ( ? )

It means we need to calculate how much resistance to friction the block is on the rough surface.

So Friction = Coefficient of static friction × Mass × Gravitational Acceleration

200 = 200 × 10 × coefficient of static friction

200 / 2000 = Coefficient of static friction

Coefficient of static friction = 0.1 
 
 
Regards
Arun (askIITians forum expert)
2 years ago
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