What is a force?

• A push or pull on an object

• A type of energy

• A form of matter

• A unit of measurement

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following is a non-contact force?

• Friction

• Magnetism

• Sliding force

• Normal force

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What happens to gravitational force as the distance between two objects increases?

• It increases

• It decreases

• It remains the same

• It doubles

Which type of friction occurs when an object rolls across a surface?

• Sliding friction

• Fluid friction

• Rolling friction

• Static friction

What is the unit used to measure the strength of a force?

• Joule

• Watt

• Newton

• Pascal