Force & Motion/Simple Machines

Newton's First Law of Motion states: An object at rest will_________________.

• move slowly

• be an object of importance

• stay at rest

Which Law of Motion does this example describe? Bowling pins will not move until a force from a moving ball acts on them.

• 1st Law of Motion

• 2nd Law of Motion

• 3rd Law of Motion

Tags

NGSS.MS-PS2-1

Friction is a force that pushes ____________ a sliding object.

• next to

• alongside

• against

Tags

NGSS.3-PS2-1

A scooter is easier to stop than a train.

• true

• false

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Mass is how much _____________ is in something.

• gravity

• matter

• friction

Tags

NGSS.MS-PS1-1

What is a push or a pull acting on an object?

• force

• mass

• gravity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which law does this describe? A hockey puck will keep moving until the goalie blocks it, which stops it.

• 1st Law of Motion

• 2nd Law of Motion

• 3rd Law of Motion

A marble on a perfectly flat floor ____________________.

• will start bouncing

• will not move unless a force acts on it

• will roll away

Tags

NGSS.MS-PS2-2

For every motion, there is a ______________.

• mass

• reaction

• force

Tags

NGSS.MS-PS2-1

Which law does this example describe? It takes less force to pull an empty wagon than a wagon with someone in it.

• 1st Law of Motion

• 2nd Law of Motion

• 3rd Law of Motion

Tags

NGSS.MS-PS2-2