Across
- 2. They are provided in soles of shoes to increase friction
- 4. This is the simplest form of a pressure gauge
- 7. This unit of pressure is named after the french scientist Blaise Pascal
- 8. The person who discovered gravity
Down
- 1. This is used to decrease fiction and examples include oil and grease
- 3. This is used to reduce friction in machine where the moving parts reach very high temperatures
- 5. This is done to tyres of cars and buses to increase friction
- 6. Frictional force exerted by fluids on objects