Speed, Velocity, and Acceleration Vocabulary

An airplane travels 1260 km from San Francisco northeast to Chicago in 3.5 hours. This describes what type of motion?

• Speed

• Velocity

• Acceleration

When a car goes around a corner at a constant speed of 20 mph, why do we say it accelerates?

• The car is accelerating because of the velocity is constant.

• The car accelerates because the speed is constant at 20 mph.

• The car is accelerating because it's changing direction.

A truck slowing down to stop at a red light is an example of which type of motion?

• Speed

• Velocity

• Acceleration

A car speeding up to get on the highway is an example of which type of motion?

• Speed

• Velocity

• Acceleration

Which of the following could be used to describe the velocity of an object?

• 40 m/s

• 40 m east

• 40 m/s east

• 40m/s²

Which unit would be appropriately used for acceleration?

• m/s

• m/s²

• m

• s

Increasing the force on an object will _____ the speed of the object.

• decrease

• increase

• not change

• double

Tags

NGSS.MS-PS2-2

Acceleration can be classified as _______________

• Speeding up

• Slowing Down

• Changing directions

• All of the above

The formula for calculating speed is...(x means multiply; / means divide)

• time x distance

• distance x speed

• distance / time

• time / distance

Tags

NGSS.MS-PS3-1

Velocity = _______________

• Speed – direction

• Speed + direction

• Speed x direction

• Speed / direction