8th grade Unit 2

A push or pull on an object

• Work

• Force

• Energy

• Wave

A push or pull one one object by another that is touching

a force that one object can apply to another without touching it

Forces have both

• speed and mass

• weight and direction

• strength and direction

• direction and mass

This law states that all objects are attracted to one another by a gravitational force

A force that resists the motion of two objects that are touching

Which of the following is not a type of friction

• Static

• Solid

• Sliding

• Fluid

The combination of all forces acting on an object

• Neutral force

• Friction

• Total force

• Net force

When all forces acting on an object combined form a net force of zero

• Balanced force

• Unbalanced force

• Net force

• Force

When all forces on an object combined form a net force that is not zero

• Net force

• Balanced force

• Unbalanced force

• Neutral force