Force and Motion

What is force?

• A push exerted on an object

• A push or pull exerted on an object

• A pull exerted on an object

• None of the above

Motion is a change in the _______ of an object .

• mass

• weight

• position

• particles

Friction is a force that slows down or stops motion when two objects are in contact.

• True

• False

A surface that is _________ generally provides more friction.

• smooth

• rough

• contact

• friction

A surface that is _________ generally provides less friction.

• smooth

• rough

• friction

• contact

When you rub your hands together,...

• your hands get colder.

• your hands start to hurt.

• your hands start a fire.

• your hands get warmer.

What is kinetic energy?

• energy of work
• energy of motion
• energy of gravity
• energy of power

position

• where an object is located

• movement, or a change in an objects position

• how fast an object moves

• the path a moving object takes

speed

• the path a moving object follows

• how fast an object moves

• where an object is located

• a push or pull

direction

• where an object is located

• how fast an object moves

• the path a moving object follows

• movement, or a change in an objects position