Force and Motion

Front

What is a non-contact force?

Back

A non-contact force is a force that acts between two objects that aren't touching.

Front

Why does a bowling ball accelerate less than a beach ball when pushed with the same force?

Back

Because the bowling ball has a greater mass than the beach ball.

Front

What law explains why you can paddle a boat in a river?

Back

For every action, there is an equal and opposite reaction.

Front

What happens to objects without gravity?

Back

They would fly off into space.

Front

When an object is pushed, in which direction does it move?

Back

The object moves away from the force.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, like the Earth pulling us down.

Front

What are balanced forces?

Back

Balanced forces are equal forces acting on an object in opposite directions, causing no change in motion.

Front

What are unbalanced forces?

Back

Unbalanced forces are forces that cause an object to move or change its motion.

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

What is acceleration?

Back

Acceleration is the rate at which an object changes its velocity.