Physics Quiz on Motion and Acceleration

Which of the following factors and units is incorrectly paired?

• distance = m

• velocity = m/s

• acceleration = m2/s2

• time = s

How is speed and velocity calculated?

• Distance × time

• Distance ÷ time

• Momentum × time

• Momentum ÷ time

What is the key difference between speed and velocity?

• Units

• Direction

• Magnitude

• There is no difference

An object that is NOT accelerating could either be at rest or ____.

• Increasing in velocity

• Moving slowly

• Moving at a constant speed

• Turning a corner

What is the speed of an object at rest?

• 0 m/s

• 3 m/s

• 8 m/s

• 10 m/s

A soccer ball takes 20 seconds to roll 10 meters. What is its speed?

• 0.5 m/s

• 2 m/s

• 5 m/s

• 200 m/s

What describes how velocity changes over time?

• Acceleration

• Inertia

• Gravity

• Speed

A storm is moving at 15 km/h north. What information about the storm is being provided?

• Acceleration

• Average Speed

• Displacement

• Velocity

What is the velocity of a car parked in a vacant lot after 1 hour?

• 0 m/s

• 0 m/s2

• - 9.8 m/s

• 9.8 m/s2

Which of the following statements is true?

• Speed is a vector quantity.

• Velocity is a scalar quantity.

• Speed becomes zero when velocity is zero.

• Speed is always greater than or equal to velocity.