Do Now Flashcard 8 (lessons 4-5)

Front

What is the energy of movement called?

Back

Kinetic energy

Front

What type of force is applied through physical means when objects are touching?

Back

Contact force

Front

When one spring scale pushes into another, are the forces the same strength or different?

Back

The forces are the same on each object.

Front

What is needed to cause a change in motion?

Back

Force

Front

If two different strength spring scales push against each other, which one applies more force?

Back

Both will apply equal forces.

Front

What is potential energy?

Back

Energy stored in an object due to its position or state.

Front

What is elastic energy?

Back

Energy stored in elastic materials as the result of their stretching or compressing.

Front

What is the relationship between force and motion?

Back

Force is required to change the motion of an object.

Front

What happens to an object in motion if no force acts on it?

Back

It will continue moving at a constant velocity.

Front

What is gravitational force?

Back

The force of attraction between two masses.