Question
Question: A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coeffici...
A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2. The weight of the block is –
A
2 N
B
20 N
C
50 N
D
100 N
Answer
2 N
Explanation
Solution
f = 0.2 × 10 = 2 N = Weight