ROUND 1
Across
- 3. Reduce friction in machines.
- 6. Simple machine for lifting or moving.
- 8. Study of heat and energy.
Down
- 1. Tightens or loosens nuts and bolts.
- 2. Transmits power in machines.
- 4. Material's internal resistance to deformation.
- 5. Rotational force.
- 7. Resistance when surfaces contact.