Laws of Motion - Result Question 30
30. A block of mass is placed on a smooth wedge of inclination . The whole system is accelerated horizontally so that the block does not slip on the wedge. The force exerted by the wedge on the block ( is acceleration due to gravity) will be
[2004]
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 30. (a)
Solution:
- (a) According to the condition,
Also,
From (1) & (2),
The condition for the body to be at rest relative to the inclined plane,