Force and Motion

Moving objects have ______________ energy, which is the energy of motion

• potential
• kinetic

Speed describes how fast an object is moving.

• True
• False

With objects of the same mass, the greater the force, the _____________ the change in motion.

• greater

• lesser

Unless acted on by a force, objects in motion tend to stay in motion and objects at rest remain at rest.

• True
• False

In a baseball game, if the force from the swinging bat increases, then the change in motion of the baseball would ________________ .

• increase

• decrease

• remain the same

When objects collide, the contact forces energy to transfer and can change objects' motion.

• True

• False

Friction is a force that opposes motion.

• True
• False

Which of the following would increase the motion of the ball after it's kicked?

• a high, grassy surface
• a rocky surface
• a surface sloped uphill
• a surface sloped downhill

Which is a force that works against motion?

• Friction
• Newton
• Direction
• Acceleration

What is the force that causes everything to be pulled down to Earth?

• Friction
• Acceleration
• Gravity
• Speed