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Question

A block of mass m is placed on a smooth inclined wedge ABC of inclination θ as shown in the figure. The wedge is given  acceleration a towards the right. The relation between a and θ for the block to remain stationary on the wedge is 


Your Answer
A
a=gcosec θ
Your Answer
B
a=gsin θ
Your Answer
C
a= g cos θ
Correct Answer
D
a= g tan θ

Solution

The correct option is B a= g tan θ
Using pseudo force,


macos θ = mgsin θa = gtan θ

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