Using a string, a ball, and a hollow tube for a handle, Julie makes a model as shown below. Holding the center of the handle, she swings the ball in a circle to show how Earth orbits the sun. She knows that the orbit of Earth depends upon the gravitational pull. Which component of Julie’s model illustrates the effect of gravity?
Answer:
model” (and any subsequent words) was ignored because we limit queries to 32 words.