Physics Midterm

To calculate the net velocity of a plane traveling in the same direction of the wind, you would ____the two velocities.

• add

• subtract

• multiply

• divide

When an object changes position over time when compared to a reference point, it is considered _____

• velocity

• speed

• motion

• work

Tags

NGSS.MS-PS2-2

On a graph of distance vs. time, the person is moving the fastest would have the _____line.

• flattest

• steepest

• curved

• negative

Tags

NGSS.MS-PS3-1

Speed and direction of an object's motion

• reference point

• work

• velocity

• power

Tags

NGSS.MS-PS3-1

Acceleration is defined as the change in velocity divided by

• speed

• time

• height

• work

Tags

NGSS.HS-PS2-1

What does it mean when a change in velocity is negative?

• The object is falling down

• The object is speeding up

• The object is still

• The object is constant

What force causes a skater sliding on the ice to gradually slow down?

• gravity

• wind

• air

• friction

A tug of war that results in one team pulling the other across the line is an example of ___

• balanced forces

• unbalanced forces

• even forces

• equal forces

Tags

NGSS.3-PS2-1

A push or a pull

• power

• work

• force

• speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A force that opposes motion between two surfaces that are touching.

• electrical

• gravity

• friction

• magnetic