Across
- 3. measured by a newtonmeter
- 6. movement
- 8. two things rubbing together
- 9. measured in kilograms or grams
- 10. air resistance
Down
- 1. have a gravitational field
- 2. falls on Issac Newton's head
- 4. pulls things down
- 5. measures the mass of something
- 7. different types of them