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Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions.

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.