Mass 
moves on a slope making an angle 
with the horizontal and is attached to mass 
by a string passing over a frictionless pulley as shown in figure. The coefficient of friction between 
and the sloping surface is 
. Which of the following statements are true?
A
If 
, the body will move up the plane
, the body will move up the plane
B
If 
, the body will move up the plane
, the body will move up the plane
C
If 
, the body will move up the plane
, the body will move up the plane
D
If 
, the body will move down the plane
, the body will move down the plane
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, d)
Let 
moves up the plane.
Hence, option is correct.
Let 
moves down the plane, in this case 
acts up the plane.
Hence, 
Hence, option is correct.
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