Across
- 4. An __________ bridge has a curved support beam under the bridge deck
- 5. ____________ is the action of one object or surface moving against another
- 7. A _______ bridge is a simple bridge made with a flat rectangular prism made of concrete and steel
- 8. __________ is the total amount of something that something can carry
- 9. A _________ bridge uses large cables strung along the bridge to support the load
- 10. A ____________ bridge uses many trusses or triangles to support the load
- 11. A __________ is a simple machine using at least two teethed wheels that help to magnify the turning effort
- 13. A ____________ bridge uses t shaped beams, and can cross the largest of spans
- 14. ________ is the force used to make something move away the point of contact
Down
- 1. ____________ is the fact of floating, being able to float or able to keep things floating
- 2. ___________ is the force that attracts objects in space towards each other
- 3. ___________ is an effect that causes things to move in a particular way
- 6. ______________ is the act of pressing or squeezing something together
- 8. ___________ is a long arm that can help with lifting
- 10. _________ is a twisting force applied onto something
- 12. __________ is the state of being stretched tight
- 14. ___________ is wheel or set of wheels over which a rope or chain is pulled in order to lift or lower heavy objects