Across
- 2. strength or energy as an attribute of physical action or movement
- 4. activity involving mental or physical effort done in order to achieve a purpose or result
- 5. increase in the rate or speed of something
- 7. a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.
- 8. a piece of wood, metal, or some other material having one thick end and tapering to a thin edge, that is driven between two objects or parts of an object to secure or separate them
- 9. when something goes from one place to another or changes its position
- 13. a measure of how much a machine or tool makes a task easier by multiplying the force you apply.
- 14. = an object in motion stays in motion and object at rest stays at rest
- 16. the point on which a lever rests or is supported and on which it pivots
Down
- 1. The drive mechanism is what converts the motion of the mousetrap into the motion of the wheels. It can be as simple as a string or as complex as a gear system
- 3. a state in which opposing forces are balanced
- 6. a simple machine that consists of a round disk, known as a wheel, with a rod through the centre of it, known as the axle.
- 10. a sloping ramp up which heavy loads can be raised by ropes or chains
- 11. a wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used
- 12. the resistance that one surface or object encounters when moving over another
- 15. a short, slender, sharp-pointed metal pin with a raised helical thread running around it
- 17. a measure of how much matter is in an object