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Grade: 11
        
A block of mass 1 kg is pushed against a rough surface with a force of 20N. The coefficient of static friction being 1/4. Another horizontal force of 10N, is applied on block in a direction parallel to wall. will the block move?if yes, with what acceleration. If no,find frictional force exerted by wall on block.
 
one year ago

Answers : (1)

Arun
24510 Points
							 

Dear Tushar

max static friction force that can be exerted by wall on block is =1/4*20 =5 N

 

since applied horizontal force 10 N is less than max static force so block will move

 

so friction force exerted by wall on block is =10 N

one year ago
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