Physics Quiz

What is acceleration?

• The change in speed with time

• The change in velocity with time

• The change in direction with time

• The change in mass with time

Which of the following is an example of acceleration?

• A car moving at a constant speed

• An aircraft taking off

• A stationary object

• A person walking at a steady pace

Over what time period does the car accelerate in the example?

• 2 seconds

• 4 seconds

• 6 seconds

• 8 seconds

What is the average acceleration of the car in the example?

• 2 m/s²

• 3 m/s²

• 4 m/s²

• 5 m/s²

What is the unit of acceleration used in the example?

• m/s

• m/s²

• m²/s

• s/m²

What is required to raise a mass of 1kg against the pull of gravity on Earth?

• 1 Newton

• 9.81 Newtons

• 9.81 Joules

• 1 Joule

To calculate the force on a body due to gravity on Earth, you multiply its mass by what number?

• 1.62

• 9.81

• 3.14

• 6.67

If a body has a mass of 2kg, what is the force due to gravity on Earth?

• 19.62 Newtons

• 9.81 Newtons

• 4.90 Newtons

• 2.00 Newtons

What is the gravitational force experienced by a 5kg mass on Earth?

• 49.05 Newtons

• 9.81 Newtons

• 5.00 Newtons

• 98.10 Newtons

What is the force required to lift a 10kg object against gravity on Earth?

• 98.1 Newtons

• 9.81 Newtons

• 10.0 Newtons

• 100.0 Newtons