Nature of Forces Vocabulary

Who is Isaac Newton?

• Founder of Motion

• Founder of Snapchat

• Founder of Physics

• Founder of Telsa

It is defined as a push or pull.

• force

• energy

• motion

• inertia

Inertia is the tendency of an object to resist a change in its ___________.

• force

• motion

• energy

• temperature

Which of the following shows unbalanced forces?

• 
• 
• 
• 

The rougher the surface, the faster an object will travel over the surface.

• True

• False

Friction always ____ the motion.

Friction is a...

• non-contact force

• contact force

• magnetic force

• electrostatic force

Answer explanation

Friction happens when two surfaces touch each other, so it is a contact force.

the amount of matter in an object

• mass

• balanced force

• unbalanced force

• net force

equal forces acting on an object in opposite directions

• force

• net force

• balanced force

• unbalanced force

can cause an object to stop moving, start moving, or change direction

• balanced force

• unbalanced force

• net force

• friction