Question

a block is lying static on the floor. the maximum value of static friction force on the block is 10 N. If a horizontal force of 6 N is applied to the block, what will be the friction force on the block

Answer 1

as the static frictional force = 10N

=> the body will not move for any force less than 10N

=> whatever force applied if it is less than 10 N then it will be applied to overcome static frictional force
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=> here 6N if force is applied
=> 6 N will be the magnitude of frictional force on the block

this is because.... as we apply 6 N the block also apply reaction force 6 N and as Action and reaction are equal and opposite... the block doesn't move...
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hope it helps you....
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Answer 2

Answer:6N

Explanation:

Given . static frictional force = 10N

i.e the block will not move until and an less force of more than 10 N is applied .

Horizontal force applied = 6N

Which is less tan 10 N

Hence the frictional force on the block will be equal and opposite to that of the horizontal foce ( it will not change)

Frictional force = 6N