Review for Forces 2.1 and 2.2 assessment

a push or a pull

• Newton

• Force

• Gravity

• Friction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

a force that opposes motion based on little bumps in the surfaces of objects that push and pull on each other

• Newton

• Force

• Gravity

• Friction

the force of attraction between all matter in the universe; the force that pulls objects down towards the earth

• Newton

• Force

• Gravity

• Friction

measure of the amount of matter in an object

• Mass

• Force

• Gravity

• Friction

Which of the following is NOT true for balanced forces

• Net force = 0

• Causes acceleration

• No change in the motion

• Not moving

• Moving at a constant velocity

Which of the following is NOT true for unbalanced forces

• cause acceleration

• cause speeding up, slowing down or turning

• Net force =0

Tags

NGSS.MS-PS2-2

friction from objects that are not moving

• Static Friction

• Sliding Friction

• Rolling Friction

• Fluid Friction

friction from objects that slide past each other

• Static Friction

• Sliding Friction

• Rolling Friction

• Fluid Friction

friction from objects with wheels

• Static Friction

• Sliding Friction

• Rolling Friction

• Fluid Friction

friction in a liquid or a gas

• Static Friction

• Sliding Friction

• Rolling Friction

• Fluid Friction