Across
- 2. The normal(or perpendicular) force acting per unit cross-sectional area
- 4. A pair of equal and opposite forces that act on an object at different points and produce rotation only
- 5. A straight line that touches a curve but does not cross it at a point
- 9. The rate of change of velocity of an object
- 11. A measurement Of mass in motion.
- 13. A quantity with magnitude (size) but no direction
- 14. The distance travelled in a particular direction
- 15. Force per unit cross-sectional area that acts as right angles to the surface.
- 17. Upward force experienced by water or air
- 18. Distance per unit time
- 19. Force on string or rope when it is stretched
- 22. An object’s speed in a particular direction
- 25. The effect of a vector along a particular direction
- 28. Turning effect of a force
- 29. The forceful direct contact of two bodies
- 30. Ability to do work, which can be transferred or converted from one form to another, but cannot be created neither destroyed.
Down
- 1. A quantity with both magnitude (size) and direction
- 3. The force on an object caused by gravitational field acting on its mass
- 6. Extension per unit length
- 7. The work done when a force of 1N moves a distance of 1m in the direction of force.
- 8. Describes a force that squeezes and shortens and object
- 10. The name for a resistive force when two surfaces are in contact and tending to slide over one another
- 12. Force similar to friction that acts to oppose the motion of an object
- 14. Mass per unit volume
- 16. A state of balance with some influences, either external or internal
- 20. Associated with tension or pulling
- 21. The push or pull on an object with mass causes it to change velocity per unit time
- 23. A measure of how difficult it is to change the velocity of an object
- 24. Rate of working of 1 joule per second. It is the unit of power.
- 26. Rate at which a device does work per unit of time
- 27. Done on a body when a force moves (displaces) the body in the direction of the force.