Gravity Unit Quiz

What would happen if you dropped a bowling ball and a similarly-sized soccer ball from 30 meters above the moon's surface?

• Both would float around (instead of falling)

• Both would fall and land at the same time

• Both would fall, but the soccer ball would land first

• Both would fall, but the bowling ball would land first

Which of these are different on the moon versus Earth? (Check all that apply)

• Gravity
• Your mass
• Your weight

Why do the planets of our solar system orbit the Sun?

Why are most objects in the universe round?

If you have a mass of 50 kg on Earth, what would be your weight? (Use g = 10 m/s^2). Do NOT include units!

What unit is used to measure weight?

• Kilograms

• Joules

• Newtons

• Gravity

What unit is used to measure mass?

• Kilograms

• Joules

• Newtons

• Gravity

Mars has a gravitational acceleration (g) of about one-third that of Earth's. If your weight on Earth is 300 N, what would be your approximate weight on Mars?

• 100 N

• 300 N

• 900 N

What two variables affect the amount of gravitational force between two objects?

• mass

• distance

• atmosphere

• rotation

If your mass on Earth is 60 kg, what would be your mass on the moon?

• 60 kg

• more than 60 kg

• less than 60 kg