Acceleration of Gravity

Front

The acceleration of objects falling on Earth due to gravity is

Back

9.8 m/s²

Front

What is the velocity of an object that has been falling freely in a vacuum for 2 seconds?

Back

20 m/s down

Front

A ball drops from a tall building and strikes the sidewalk 2.0 seconds later. What is the velocity of the ball when it hits the sidewalk?

Back

20 m/s

Front

A girl drops a 7 gram bowling ball and a 1 gram rock from a cliff. Which will hit the ground first?

Back

Ignoring air resistance, both will hit at the same time.

Front

What does it mean for an object to be in free fall?

Back

Gravity is the only force acting on the object.

Front

What happens to the acceleration as a textbook falls to the ground?

Back

The acceleration remains constant.

Front

What happens to the velocity as a textbook falls to the ground?

Back

The velocity increases.

Front

What happens to the velocity as a baseball rises in the air?

Back

The velocity decreases.

Front

What happens to the acceleration as a baseball rises in the air?

Back

The acceleration remains constant.

Front

A baseball is thrown up into the air. What direction is the velocity of the ball?

Back

upward