Across
- 3. A device used to measure the potential difference , connected in parallel.
- 4. The energy transferred when an object is moved through a distance by a force.
- 11. A scalar quantity, speed = distance / time
- 12. A quantity with magnitude and direction.
- 16. The work done in moving a unit positive charge from one point to the other.
- 17. Series of vibrations that transfer energy from one place to another.
- 18. A physical quantity, measured in cubic metres(m3)
- 19. The rate of change of displacement with respect to time
- 21. More than one forces that if unbalanced will cause a rotation.
- 22. A SI quantity, measured in kelvin (K).
- 25. acceleration
- 26. Zero on the thermodynamic temperature scale, equal to -273.15 degrees Celsius
- 28. The change in length of an object when a force is applied to it
- 29. = force x perpendicular distance from the pivot to the line of action of the force
- 34. A device used to measure the electric current in a circuit, connected in series.
- 35. The maximum displacement of a wave from its rest/mean position
- 37. A quantity with magnitude but no direction.
- 38. A type of force due to an engine (usually forward force).
- 39. is a form of energy transfer, also known as 'Thermal Energy'.
- 40. The unit of potential difference (p.d.) or electromotive force (e.m.f.)
- 41. The unit of power , = energy / time
Down
- 1. The SI unit of work done, or energy, when a force of one newton moves an object one metre.
- 2. A form of electromagnetic wave . It may cause sun tanning.
- 5. A vector quantity, the distance of an object from its initial position in a direction
- 6. The rate at which work is done.
- 7. The gravitational force acting on a body, measured in newtons (N).
- 8. A force causes a mass to change motion
- 9. The energy an object possesses due to its motion, given by KE = 0.5 x m x v²
- 10. The time taken for one complete oscillation. Denoted by 'T'. T=1/f
- 13. The stored ability to do work
- 14. Two equal, opposite and parallel forces which create rotational force.
- 15. When resistive forces = driving force, acc = 0, so it cannot travel any faster.
- 20. Unit in which force is measured. Symbol "N".
- 21. An electrical component that changes its resistance depending on its temperature.
- 23. The property of a material that measures it resistance to electric current.
- 24. The number of waves that pass a fixed point in a unit of time
- 26. The (instantaneous) rate of change of velocity in respects to time
- 27. The acceleration of a body falling under gravity (9.81ms-2 on earth)
- 30. A form of electromagnetic wave , used in X-ray photography.
- 31. The SI unit for electric current.
- 32. The load applied to an object per unit surface area.
- 33. Density is the mass of a body per unit volume
- 36. A force experienced due to the pressure difference of the fluid at the top and bottom.