A moving body must undergo a change of

• Velocity

• Acceleration

• Position

• Direction

Tags

NGSS.HS-PS2-1

The graph below shows the distance and time traveled by four cars moving with constant speed. Which car traveled the slowest?

• Car #1

• Car #2

• Car #3

• Car #4

The graph below represents the relationship between distance and time for an object moving in a straight line. According to the graph, the object is

• Motionless

• Moving at constant speed

• Accelerating

• Decelerating

Tags

NGSS.MS-PS3-1

A runner changing speed from 3 m/s to 5 m/s is an example of

• Acceleration

• Changing Direction

• Velocity

• Constant Speed

Which statement about the movement of an object with zero acceleration is true?

• The object must be at rest

• The object must be slowing down

• The object may be speeding up

• The object may be in motion

The graph below shows a graph of speed vs. time of four cars on a straight road. Which car has zero acceleration?

• Car #1

• Car #2

• Car #3

• Car #4

What are the SI units for mass?

• Kilogram

• Gram

• Meter

• Seconds

As an object falls to the ground from a height, its speed

• Increases

• Decreases

• Remains the same

• Fluctuates

Tags

NGSS.HS-PS2-1

What is an example of a scalar quantity?

• Mass

• Velocity

• Acceleration

• Displacement

Over time, ignoring air resistance, the horizontal velocity of a projectile

• Does not change

• Increases

• Decreases

• Fluctuates