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in Physics by (69.8k points)

Small blocks A and B are simultaneously released from apex of a smooth wedge as shown in figure, select correct alterative(s) :

(A) Relative acceleration of block B with respect to block A is zero 

(B) Magnitude of relative acceleration of block B with respect to block A is g initially 

(C) Speed of block A and B will be same at the bottom of inclined plane 

(D) The time taken A and B to reach the bottom of inclined plane will be same. 

1 Answer

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by (69.2k points)
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Best answer

Correct option: (B, C)

Explanation:

gresultant of B with respect to A is 

By energy conservation,

For B mBgh = 1/2 mvB 2

For A mAgh = 1/2 mA.VA 2  

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