Forces and Motion

Front

The velocity of a car can be described as going north at 20 meters per ________.

Back

second

Front

What is the length between starting and ending points?

Back

Distance

Front

_____________ is a change in speed, a change in direction, or both.

Back

Acceleration

Tags

NGSS.MS-PS2-2

Front

Increasing speed is ____________.

Back

acceleration

Front

Acceleration = change in speed divided by time. If an object travels 30 meters in 5 seconds, what is its acceleration?

Back

6 meters per second

Front

Do two cars traveling in different directions at the same speed have the same velocities?

Back

False

Front

What is defined as the rate an object is moving?

Back

Speed

Front

Possible velocity of a train: moving south, traveling south at 20 meters per second, traveling at 20 meters per second, traveling south and slowing down.

Back

traveling south at 20 meters per second

Front

Units of distance: meter, foot, mile, south, north, east

Back

meter, foot, mile

Front

A(n) __________ is a position that is already known. Its position can be used to describe the position of another object.

Back

frame of reference