At t = 0, a force F kt is applied on a block making an angle α α with the horizontal. Suppose surfaces to be smooth. Find the velocity of the body at the time of breaking off the plane.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
at cos α α = 
At the break off point mg = at sin α α
or t = 
.
v = 
.
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