Rotational Motion Question 132

Question:A cube of side a is placed on an inclined plane of inclination θ . What is the maximum value of 9 for which the cube will not topple?

Options:

A) 15

B) 30

C) 45

D) 69

Show Answer

Answer:

Correct Answer: C

Solution:

[c] The cube will not topple until the line of action of CM passes through the cube.

That is, tanθ=AXOX=a/2a/2 or θ=45



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