The period of time a planet takes to make one revolution around the Sun is most dependent on the planet's average?

Astate of matter all that has define volume and can flow is a(n)

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

In the illustration, which two simple machines are being used to enable the student to reach the door? a. inclined plane and pulley b lever and wheel-and-axle c pulley and lever d wheel-and axle and inclined plane