1.

A block of mass 4√2 kg is at rest on the inclined plane. The inclined plane is inclined at an angle of 135° from horizontal direction in anticlockwise direction. Determine the coefficient of friction so that block can start slide in downward direction, assume the acceleration of gravity as 10 m/s2.

A. All the options are correct
B. Coefficient of friction must be less than 1
C. Coefficient of friction must be greater than 1
D. Coefficient of friction must be equal to 1
Answer» C. Coefficient of friction must be greater than 1


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