Physics Quiz

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

• Displacement

• Velocity

• Mass

• Acceleration

What is the direction of acceleration caused by Earth's gravity?

• Upward

• Downward

• Horizontal

• Circular

According to Newton's 1st law of motion, what happens to an object in motion if no external force acts on it?

• It speeds up

• It slows down

• It maintains a constant velocity

• It changes direction

What is the formula for Newton's second law of motion?

• F = ma

Which statement about gravity in space is true?

• There is no gravity in space.

• Gravity only exists on Earth.

• Gravity keeps the moon in orbit around Earth.

• Gravity is stronger in space than on Earth.

Why do astronauts in orbit experience weightlessness?

• They are too far from Earth's gravity.

• They are falling around the Earth.

• There is no gravity in space.

• They are moving too fast.

What causes tides on Earth?

• The sun's gravitational pull.

• The Earth's rotation.

• The moon's gravitational pull.

• Ocean currents.

What is angular momentum?

• A force that creates motion.

• A conserved quantity for a spinning object.

• A measure of an object's speed.

• A type of energy.

What properties does light have?

• Only particle-like properties.

• Only wave-like properties.

• Both particle-like and wave-like properties.

• Neither particle-like nor wave-like properties.

What happens to wave energy as frequency increases?

• It decreases.

• It remains constant.

• It increases.

• It disappears.