Mr. hernandez is explaining how the gravitational forces of the moon and the sun pull the water in the earth's oceans causing tides he used a basketball to represent the sun and a golf ball to represent the moon. what would be a good object to represent earth and to show the effects of gravity on it?
a tennis ball
b basketball
c light bulb connected to battery
d balloon not fully inflated

Tennis ball

Explanation:

Tennis ball is of size in between the size of basket ball and golf ball. In reality earth is larger than moon but extremely small as compared to the size of sun.

Thus, when sun and moon are kept in front of each other with earth in between, then the size of earth prototype must be adequate enough to stop the passage of sun light to the moon just like the way it happens in nature. Therefore tennis ball be the best option among all.

explanation: grsaa