What force will eventually stop a ball from rolling?

• Momentum

• Tension

• Inertia

• Friction

What is required to keep an object in motion due to friction?

• A constant force

• Decreasing force

• Increasing force

• No force

Tags

NGSS.HS-PS2-1

Which type of friction occurs when objects are not moving?

• Rolling friction

• Fluid friction

• Sliding friction

• Static friction

What does rolling friction involve?

• Objects stuck together

• Objects moving in air

• Objects sliding past each other

• One surface rolling over another

Why does a feather fall slower than a rock?

• Electrical forces

• Magnetic forces

• Air resistance

• Gravity acts differently on each

Which of the following is NOT a factor air resistance depends on?

• Shape of the object

• Mass of the object

• Color of the object

• Speed of the object

What factor does air resistance depend on?

• Weight of the object

• Surface area of the object

• Temperature of the air

• Color of the object

What universal force acts on all objects in the universe?

• Magnetic force

• Gravity

• Electrostatic force

• Nuclear force

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What happens to gravitational force as mass increases?

• Decreases

• Stays the same

• Increases

• Becomes zero

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

How does distance affect gravitational force?

• Decreases with distance

• Only affects objects in contact

• Increases with distance

• No effect