Laws of Motion 3 Question 11
11. An insect crawls up a hemispherical surface very slowly (see the figure). The coefficient of friction between the surface and the insect is
(2001, 2M)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 11. (a)
Solution:
- Equilibrium of insect gives
From Eqs. (i) and (ii), we get
