Static, fluid, rolling, and sliding are examples of ____.

• friction

• gravity

• forces

• motion

Distance per time (includes direction of motion).

• velocity

• speed

• acceleration

• magnitude

The thing in an experiment that the scientist changes.

• independent variable

• dependent variable

• measurement

• constants

Tags

NGSS.MS-PS2-2

A change in speed and/or direction

• acceleration

• velocity

• vector

• speed

Tags

NGSS.MS-PS2-2

A force opposing the direction of motion, typically causing objects to slow down.

• friction

• gravity

• counterbalance

• constant force

The SUM of all the forces.

• net force

• magnitude

• force

• calculation

Tags

NGSS.MS-PS2-2

What unit do we use to measure forces (like friction)?

• Newton

• Kilogram

• Mass

• Acceleration

A quantity with magnitude (size) AND direction.

• vector

• acceleration

• speed

• free-body

These forces are all balanced. The box will _____.

• move

• not move

• accelerate

• glide

Tags

NGSS.3-PS2-1

1. 1 Newton =

• 1. 1kg * (1m/s^2)

• 1. 1kg / (1m/s^2)

• 1. (1m/s^2) / 1kg

Tags

NGSS.HS-PS2-1