Physics Quiz - Advanced Level

Which of the following is a vector quantity?

• A. work done
• B. time
• C. temperature
• D. displacement

Which of the following is equivalent to 1 kilowatt-hour?

• A. 0.28 J
• B. 0.28 W
• C. 3.6 × 10^6 J
• D. 3.6 × 10^6 W

Stokes’ law can be used to determine the frictional force on an object moving through a fluid. To which of the following would Stokes’ law best apply?

• A. A large sphere moving quickly through a fluid.
• B. A large sphere moving slowly through a fluid.
• C. A small sphere moving quickly through a fluid.
• D. A small sphere moving slowly through a fluid.

A force of 90 N is used to push a box along a ramp of length 10 m, up to a platform. The platform is 4 m above the ground. Which of the following expressions could be used to determine the efficiency of the ramp?

• A. 90 × 10 / 200 × 4
• B. 200 × 4 / (90 × 10 + 200 × 4)
• C. 200 × 4 / 90 × 10
• D. 90 × 10 / (90 × 10 + 200 × 4)

According to Newton’s third law, when two objects interact they exert forces on each other. Which of the following statements is not a correct description of these forces?

• A. The forces act at the same time.
• B. The forces act in the same direction.
• C. The forces act on different objects.
• D. The forces have the same magnitude.

A ball is thrown vertically upwards. Which row of the table correctly describes the magnitude of the initial acceleration of the ball and the magnitude of the acceleration when it is at its maximum height?

• A. 0, 9.81 m s–2
• B. 9.81 m s–2, 0
• C. 9.81 m s–2, 9.81 m s–2
• D. 0, 0

One end of a 50 cm length of wire is attached to a support. A load is attached to the free end of the wire, which extends by 2 mm. Which of the following is the strain for the length of wire?

• A. 0.004
• B. 0.04
• C. 25
• D. 250

The stiffness constant and the Young modulus are terms used in physics. Which row of the table shows the correct application of these terms?

• A. stiffness constant applies to materials, Young modulus applies to materials
• B. stiffness constant applies to objects, Young modulus applies to objects
• C. stiffness constant applies to materials, Young modulus applies to objects
• D. stiffness constant applies to objects, Young modulus applies to materials

A student used a balance to measure the mass of a small cube with sides of length x. What is the density ȡL of the larger cube in terms of the density ȡS of the smaller cube if the larger cube has sides of length 1.5 x?

• A. ȡL = 3.4 ȡS
• B. ȡL = 1.5 ȡS
• C. ȡL = 0.67 ȡS
• D. ȡL = 0.30 ȡS

Which of the following best describes the relationship between force, mass, and acceleration according to Newton's second law?

• A. F = m + a
• B. F = ma
• C. F = m/a
• D. F = a/m