Question

Figure shown a smooth inclined plane of inclination $\theta$ fixed in a car, $A$ sphere is set in pure rolling on the incline. For what value of a (the acceleration of car in horizontal direction) the sphere will continue pure rolling

• A. $g \cos \theta$
• B. $g \sin \theta$
• C. $g \cot \theta$
• D. $g \tan \theta$

Answer 1

Answer: (D)

$g \tan \theta$

Answer 2