Question
Question: A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N. The friction between...
A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N. The friction between wall and body is 0.3. Then the frictional force is equal to
A
6 N
B
20 N
C
600 N
D
700 N
Answer
20 N
Explanation
Solution
For the given condition Static friction = Applied force = Weight of body = 2 × 10 = 20 N.