Chapter 1 - motion

Front

What is the synonym for negative acceleration?

Back

Deceleration

Front

What does a distance vs. time graph show about an object?

Back

Speed

Front

If you speed up on roller skates from rest to 10 m/s in 5 seconds, what is your acceleration?

Back

2 m/s²

Front

What is the speed at any single instant of time called?

Back

Instantaneous speed

Front

Which letter represents an object in constant speed?

Back

A

Front

What is acceleration?

Back

The rate of change of velocity over time.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity; velocity is a vector quantity that includes direction.

Front

What is the formula for calculating acceleration?

Back

Acceleration = (Final velocity - Initial velocity) / Time taken

Front

What does a flat line on a distance vs. time graph indicate?

Back

The object is at rest.

Front

What is the unit of speed in the metric system?

Back

Meters per second (m/s)