Physics Quiz

What type of friction occurs when an object rolls over a surface?

• Static friction

• Rolling friction

• Sliding friction

• Fluid friction

Which force keeps planets in orbit around the sun?

• Friction

• Gravity

• Magnetism

• Air resistance

What is produced when vibrations travel through the air to reach your ears?

• Heat

• Sound

• Light

• Electricity

Which type of energy is used to warm objects?

• Light energy

• Heat energy

• Sound energy

• Kinetic energy

Which of the following is a safe practice when using electrical devices?

• Using frayed wires

• Plugging wet appliances

• Keeping liquids away from outlets

• Overloading socket

Which simple machine is used in lifting heavy loads by pulling down a rope?

• Lever

• Pulley

• Inclined plane

• Wheel and axle

What type of friction prevents an object from moving?

• Static friction

• Sliding friction

• Rolling friction

• Fluid friction

What pulls objects towards the center of the Earth?

• Friction

• Inertia

• Gravity

• Tension

Which energy can travel through a vacuum?

• Sound

• Light

• Heat

• Electrical

A ramp is an example of which simple machine?

• Pulley

• Lever

• Inclined plane

• Wedge