Created by StemPy LabWhen is a body's centre of gravity at the same point as its centre of mass?
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← A uniform 20 kg ladder 6.5 m long leans against a smooth wall with its foot 2.5 m from the wall. Taking g = 9.8 m/s², what friction must the ground supply at its foot?Two equal and opposite forces of 15 N act on a steering wheel at opposite ends of a diameter 0.40 m long. What torque do they give? →
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