'Greater weight c' diaporamas de présentation

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a. inclined plane b. pulley c. wedge d. lever

1. When you bend your arm at the elbow, the bones and muscles in your arm are acting as a system. What simple machine does this system represent? . a. inclined plane b. pulley c. wedge d. lever. 2. On Earth, a box has a mass of 50 kg. On the Moon, the box would have . a. greater mass

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