Across
- 2. A force that pushes against an object as it moves through the air
- 4. Tension bridges use these to hold up the bridges, as they can hold a large amount of tension
- 8. A force caused by objects moving through a magnetic field
- 10. These objects allow people to bounce up because the springs in them compress and relax
- 12. In order for planes to fly quickly and efficiently, they must be _____
- 13. These objects use the lift in order to be able to fly off the ground
- 14. A force exerted on a rope, or a similar object
- 15. A force at a right angle of motion and is created by differences in air pressure
- 17. An upward force that lifts an object with a force equal to the amount of water displaced
- 19. An opposing force caused by the motion of two touching objects
- 20. A force created by the gravity of an object that pulls other objects toward its center of mass
Down
- 1. A machine is pressing down on dough, what is the applied force coming from
- 3. These objects must be buoyant as they travel across the top of the water
- 4. A force caused by a spring being compressed (opposite of tension)
- 5. In this sport, stones are slowed on the ice because of friction
- 6. This celestial object stays in orbit with the Earth because of its gravity
- 7. A force caused by an electrical change
- 9. Closing these allows for electricity to flow through
- 11. A supporting force that keeps an object from falling through another object
- 12. A force exerted upon an object
- 16. A tool that is attracted to the Earth's magnetic field, and points North when not affected by a magnet
- 18. If a book is sitting on a table, what is the normal force
