SATHEE: Kinematics Question 769

Kinematics Question 769

Question: If a cycle wheel of radius 4 m completes one revolution in two seconds.Then acceleration of a point on the cycle wheel will be[Pb. PMT 2001]

Options:

A) $π^{2} m / s^{2}$

B) $2 π^{2} m / s^{2}$

C) $4 π^{2} m / s^{2}$

D) $8 π m / s^{2}$

Show Answer

Answer:

Correct Answer: C

Solution:

Centripetal acceleration $= 4 π^{2} n^{2} r = 4 π^{2} {(\frac{1}{2})}^{2} \times 4 = 4 π^{2}$

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