Wayne aspires to be a lifeguard, and as part of the lifeguard test, he must remain afloat in the pool for five minutes. What prevents Wayne from sinking to the bottom of the pool?

Question

A. The water exerts an upward force on Wayne, counteracting gravity.
B. Wayne weighs too much.
C. Gravity pushes Wayne up against the water.
D. Wayne does not weigh very much.

Answer 1

The correct answer is A. The water exerts an upward force on Wayne, counteracting gravity.

This upward force is known as buoyancy, and it is what allows Wayne to remain afloat in the pool.