Physics Quiz

What is the unit of force in the International System of Units (SI)?

• Joule

• Newton

• Watt

• Pascal

Which of the following is an example of potential energy?

• A rolling ball

• A stretched rubber band

• A flying bird

• A flowing river

What is the formula for calculating kinetic energy?

• ( KE = 1/2 mv^2 )

• ( KE = mgh )

• ( KE = Fd )

• ( KE = ma )

Which force keeps planets in orbit around the sun?

• Magnetic force

• Gravitational force

• Frictional force

• Electric force

What type of energy transformation occurs when a battery powers a flashlight?

• Chemical to thermal

• Electrical to mechanical

• Chemical to electrical

• Mechanical to chemical

When a car brakes, what type of force is mainly responsible for stopping it?

• Gravitational force

• Frictional force

• Magnetic force

• Elastic force

Which of the following best describes energy?

• The ability to do work

• The rate of doing work

• The force applied over a distance

• The mass per unit volume

What happens to the potential energy of an object as it is raised higher above the ground?

• It decreases

• It remains the same

• It increases

• It turns into kinetic energy

Which of the following is NOT a type of energy?

• Thermal

• Nuclear

• Frictional

• Mechanical

What is the primary source of energy for Earth's climate system?

• Wind

• The moon

• The sun

• Tides