According to the three laws of planetary motion, planetary orbits are in the shape of a/an
a. rectangle.
b. ellipse.
c. circle.
d. arc.

An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?