Physics Comps Practice Questions

If a cyclist travels 500 meters north and then 500 meters south in 10 minutes, what is their average velocity?

• 100 meters per minute

• 250 meters per minute

• 500 meters per minute

• 0 meters per minute

What is the SI unit for power?

• Candela

• Lux

• Lumen

• Watt

Which of the following quantities is a scalar?

• Displacement

• Velocity

• Acceleration

• Speed

What is the displacement of an object that travels 10 m east and then 5 m west?

• 5 m east

• 5 m west

• 10 m east

• 15 m east

A student walks 3 km south, and 4.5 km north, what are her displacement and distance?

• Distance is 7.5 km north; displacement is 1.5 km

• Distance is 7.5 km; displacement is 1.5 km north

• Distance is 1.5 km north; displacement is 7.5 km

• Distance is 1.5 km; displacement is 7.5 km north

A bowling ball hits a bowling pin, and the pin falls. Which of the following is true about the forces exerted between them?

• The bowling ball hits the pin with a greater force than the pin hits the bowling ball.

• The pin hits the bowling ball with a greater force than the ball hits the pin.

• The bowling ball and the pin exert equal forces on each other, but in opposite directions.

• No force is exerted by the pin on the ball.

Tags

NGSS.MS-PS2-1

What is the charge of an atom that has 72 protons, 71 neutrons, and 75 electrons?

• +3

• -3

• +1

• -1

Why is rubber a better insulator than ceramic?

• Rubber has more free electrons

• Ceramic has more free electrons

• Rubber has more free protons

• Ceramic has more free protons

Tags

NGSS.HS-PS1-3

What is the SI unit for acceleration?

• m/s

• m/s²

• km/h²

• m²/s

Tags

NGSS.HS-PS2-1

How many mm are in 1 km?

• 1000

• 10,000

• 100,000

• 1,000,000