Question

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 1

Answer:   I think its the string because the string known as gravity it is holding up the ball when known as a planet because the string is going round and round.

Explanation: