Question
Question: A block is kept on a frictionless inclined surface with angle of inclination α. The incline is given...
A block is kept on a frictionless inclined surface with angle of inclination α. The incline is given an acceleration a to keep the block stationary. Then a is equal to
A
g/tan α
B
g cosec α
C
g
D
g tan α
Answer
g tan α
Explanation
Solution
ma cos α = mg sin α or a = g tan α
