FrictionHardBloom L3
Question
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
Options
A.20 N
B.50 N
C.100 N
D.2 N
Solution
Weight of the block = μR = 0.2 × 10 = 2N.
Create a free account to view solution
View Solution FreeMore Friction Questions
The block shown in figure remains at rest undisturbed. A man wishes to start the block by the rope. Given the ramp angle...Which one of the following statements is incorrect ?...Two clocks A and B are being tested against a stranded clock located in the national laboratory At 10 : 00 AM by the sta...The upper portion of an inclined plane of inclination a is smooth and the lower portion is rough. A particle slides down...A block (B) is attached to two unstretched springs S1 and S2 with spring constants k and 4k, respectively (see figure I)...