Physics Quiz

A car travels 150 kilometers in 3 hours. What is the car's average speed?

• 50 km/h

• 45 km/h

• 60 km/h

• 55 km/h

Which of the following correctly represents the formula for velocity?

• Velocity = Distance / Time

• Velocity = Displacement / Time

• Velocity = Speed / Time

• Velocity = Force / Time

Which of the following statements is true?

• Speed is a vector quantity, and velocity is a scalar quantity.

• Speed is a scalar quantity, and velocity is a vector quantity.

• Both speed and velocity are vector quantities.

• Both speed and velocity are scalar quantities.

A car travels 60 km north in 2 hours and then 60 km south in the next 2 hours. What is the car's average speed and velocity?

• Average speed is 60 km/h, and average velocity is 30 km/h.

• Average speed is 30 km/h, and average velocity is 0 km/h.

• Average speed is 60 km/h, and average velocity is 0 km/h.

• Average speed is 30 km/h, and average velocity is 30 km/h.

Which statement correctly describes a vector quantity?

• A vector quantity has only magnitude.

• A vector quantity has both magnitude and direction.

• A vector quantity has only direction.

• A vector quantity has neither magnitude nor direction.

Which of the following is an example of a scalar quantity?

• Velocity

• Force

• Mass

• Displacement

A scalar quantity has only magnitude.

• A scalar quantity has only magnitude.

• A scalar quantity has both magnitude and direction.

• A scalar quantity has only direction.

• A scalar quantity has neither magnitude nor direction.

What does a steep slope on a distance-time graph indicate?

• The object is moving slowly.

• The object is moving quickly.

• The object is moving at a constant speed.

• The object is changing direction.

A car's speed increases from 20 m/s to 30 m/s in 5 seconds. What is the car's acceleration?

• 2 m/s²

• 10 m/s²

• 5 m/s²

• 1 m/s²

Which of the following represents the formula for acceleration?

• Acceleration = Distance / Time

• Acceleration = Velocity / Time

• Acceleration = Change in Velocity / Time

• Acceleration = Force / Mass