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An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Which planet do you think would be easiest for humans to colonize some day?

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.