a 2500 kg wrecking ball is hanging from a cable that is 3.0 m long and it is bei

Question

a 2500 kg wrecking ball is hanging from a cable that is 3.0 m long and it is being swung so that it speeds up as it heads left towards a wall.

Which of the following forces are acting on the wrecking ball as it accelerates to the left (before it hits the wall)?

a) Gravity, the tension on the ball by the cable, force of the motion towards the left, air resistance

b) Gravity the tension on the ball by the cable, resistance to motion towards the right, air resistance

c) Gravity, the tension on the ball by the cable, force of motion towards the left, resistance to motion towards the right, air resistance.

d) Gravity and tension on the ball by the cable only.

e) Gravity, the tension on the ball by the cable, air resistance

f) none of the aboe

Explanation / Answer

a) Gravity, the tension on the ball by the cable, force of the motion towards the left, air resistance

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