science

4. the line along which anything lies, faces, moves, etc., with reference to the point or region toward which it is directed
7. pivot point around which a lever turns
10. the SI unit of force, equal to the force that produces an acceleration of one meter per second per second on a mass of one kilogram
11. a tool used to lift or pry open something
12. the ability to move
13. something done by exertion or hard work
16. to press upon or against (a thing) with force in order to move it away
17. a circular frame or disk arranged to revolve on an axis, as on or in vehicles or machinery
19. A supporting shaft or member on or with which a wheel or a set of wheels revolves

1. the force that attracts your body to the centre of the earth
2. the tendency or capacity to remain afloat in a liquid or rise in air or gas
3. the resistance that one surface or object encounters when moving over another
5. to draw or tug at with force
6. a wheel, with a grooved rim for carrying a line, that turns in a frame or block and serves to change the direction of or to transmit force, as when one end of the line is pulled to raise a weight at the other end
8. a body, as a piece of iron or steel, that possesses the property of attracting certain substances, as iron
9. to deviate from the vertical or horizontal
12. a body of coherent matter, usually of indefinite shape and often of considerable size
14. a type of pressure that changes the motion
15. to alter in shape, as by turning the ends in opposite directions, so that parts previously in the same straight line and plane are located in a spiral curve
18. something that a person, animal or thing is carrying