Across
- 4. the force that causes a compass to point north
- 5. sometimes called buoyancy; it stops an object sinking in water
- 8. if a an object is squashed it is due to a ______________ force
- 9. the force from an engine
- 10. if two surfaces rub together this force causes the objects to get hotter
- 11. the force produced by an aeroplane wing
Down
- 1. another way of saying air resistance
- 2. when a charged balloon sticks to a wall it is due to this force
- 3. the force on an object caused by gravity
- 6. when a spring is stretched it has this type of force in it
- 7. all forces have this unit that they are measured in
- 8. when you sit on a chair, the chair pushes you up with a ________ force