A block is lying static on the floor. The maximum value of static frictional force on the block is 10 N. If a horizontal force of 8 N is applied to the block, what will be the frictional force on the block?
A) 2N
B) 18 N
C) 8N
D) 10 N
Correct Answer:
C
Solution :
Static frictional force \[{{f}_{s}}=10\,N\] If \[F=8\,N\] \[{{f}_{s}}=8\,N\] for the given case. Because if force is applied and the body remains m at rest, then static force is equal to applied force.