Question

A block of weight 20 N is pressed against a vertical wall as shown in the figure by applying a hontal
force on the block lg = 10 ms' f .-05.-04. then
1 ay
111.
The least horizontal force required to keep the block in equilibrium is
a) 40 N
b) 20 N
C) 10 N
0,5 N
Once motion has started, the horizontal force required to slide the block down along the wall with
uniform velocity is
a) 40 N
b) 25 N
C) 20 N
d) 50 N
Once motion has started, the horizontal force required to slide the block down along the wall with a
acceleration of 2 ms is
a) 40 N
b) 20 N
C) 25 N
d) 50 N
The block is pressed with a force of 60 N, when at rest. The frictional force acting on the block
b) - 20 N
C) ION
d) 30 N
22
194
a) 24 N​

Answer 1

Answer:

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