Across
- 3. -special shape which ships have to reduce fluid friction
- 5. -a push or a pull acting on an object
- 7. -device used to measure force
- 9. -a force which slows down or stops a moving object
- 10. -the sum of all forces acting on an object
Down
- 1. -force exerted by our muscles when doing a certain a activity
- 2. -force which opposes the relative movement between 2 bodies
- 4. -measure of amount of matter present in an object
- 6. -provided in soled of shoes used by athletes to increase friction
- 8. -the unit for weight