A simple pendulum of length oscillates with small amplitude

PHYSICS · Single correct · CBSE · Physics · Oscillations · Oscillations

Problem

A simple pendulum of length

1.5\,\text{m}

oscillates with small amplitude. At an instant when its angular displacement is

3.0^{\circ}

, what is the magnitude of the bob’s linear acceleration? (Use

g = 9.8\,\text{m/s}^{2}

.) (a)

7.7 \times 10^{-1}\,\text{m/s}^{2}

(b)

5.1 \times 10^{-1}\,\text{m/s}^{2}

(c)

9.8\,\text{m/s}^{2}

(d)

3.4 \times 10^{-1}\,\text{m/s}^{2}