H2P-144
Newton’s second law
H2 Physics · JC 1 · Hard · Newton’s second law
A 0.30 kg pendulum bob hangs from the roof of a bus. While the bus moves in a straight line, the string makes a constant angle of 12° to the vertical, with the bob displaced towards the back of the bus. Which statement describes the motion of the bus?
- Moving forwards with constant velocity
- Moving backwards with constant velocity
- Moving forwards with constant acceleration
- Moving backwards with constant acceleration
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