Unit 7 Vocabulary 1 Force and Motion

Front

What is the formula for speed?

Back

Speed = distance/time

Scalar

Front

What is the formula for velocity?

Back

Velocity = distance/time + direction

Vector

Front

What is distance?

Back

The length of the path traveled, total distance traveled on the school bus to get to school.

Front

What is displacement?

Back

The straight line distance + direction from start point to end point, straight line distance from home to school.

Front

Magnitude

Back

the size or quantity of something

Front

Vector Quantity

Back

a quantity that has both magnitude and direction

Front

scalar quantity

Back

a quantity that can be described by magnitude only

Front

Acceleration

Back

The rate at which velocity changes - changes in speed and/or direction

Equation: a=ΔV/ΔT

Units: m/s²

Front

positive acceleration

Back

Speeding up; positive slope on a graph

Front

negative acceleration

Back

Slowing down, also called deceleration

Negative slope on a graph