Mechanics Crossword

4. The energy an object gains when lifted is ...
5. The ______ is the amount of material in something, measured in kg or g
6. A measure of the force exerted on a certain area of surface.
9. A _____ is a push or a pull.
10. Energy cannot be created or destroyed
12. In the formula W = Fd, W is?
13. In a distance-time graph, what does a horizontal line mean?
15. If the forces acting on an object are unbalanced, the object will accelerate, _____ or change direction
16. Calculated by the formula distance travelled / time taken
18. In a speed-time graph, what does a horizontal line mean?
19. Steady speed means speed that is not ...
21. Fnet = ma. What is Fnet?
22. With objects of the same mass, acceleration is directly proportional to the force applied; doubling the forces ____ the acceleration

1. Friction commonly acts in the _____ direction to thrust
2. _____ is the force when 2 surfaces move or try to move across each other
3. When area increases, pressure _____________.
5. Kinetic energy EK is ________ energy
7. The force of gravity x mass
8. The rate at which work is done is called the _____
11. Friction acting on an object moving through air
14. What type of motion has the units ms-2
17. When an object is stationary or travelling at constant speed then the forces acting on the object are...
20. In a distance-time graph, the _______ the line, the greater the speed