Force and Motion

Front

The force that pulls falling objects toward Earth is?

Back

gravity

Front

Gravity and friction are examples of _______.

Back

forces

Front

Gravity is a natural force that _____ all objects towards the center of earth.

Back

pulls

Front

Who is well known for researching the Law of Gravity?

Back

Sir Isaac Newton

Front

______ is how fast or slow an object is moving.

Back

speed

Front

What is the term for the rate at which an object changes its velocity?

Back

acceleration

Front

What do we call the force that opposes motion between two surfaces?

Back

friction

Front

What is the term for the distance traveled per unit of time?

Back

speed

Front

What is the effect of gravity on objects in free fall?

Back

They accelerate downwards at 9.8 m/s².

Front

What is the relationship between mass and gravity?

Back

More mass means a stronger gravitational pull.