Physics

2. A material’s opposition to the flow of electric current
5. The product of the displacement and the component of the force parallel to the displacement
7. The force per unit positive charge OR mass
9. The potential energy an object possesses due to its position relative to a reference point
12. A collision in which only momentum is conserved
15. Length of path travelled
17. The rate at which work is done OR rate at which energy is transferred
20. The total energy supplied per coulomb of charge by the cell
21. The energy an object has as a result of the object’s motion
24. A change in position
25. Rate of change of velocity
28. The gravitational force the Earth exerts on any object on or near its surface
29. The force that opposes the motion of an object and acts parallel to the surface with which the object is in contact
30. Is a representation of the magnitude and direction of the magnetic field

1. Rate of change of distance
3. The product of the net force and the contact time
4. The rate of flow of charge
5. The power when one joule of work is done in one second
6. A component that only allows current to flow in one direction
8. The ratio of output power to input power
10. the minimum frequency of incident radiation at which electrons will be emitted from a particular metal
11. Rate of change of position (or displacement)
13. A physical quantity that has magnitude only
14. The property of an object that causes it to resist a change in its state of rest or uniform motion
16. A physical quantity that has both magnitude and direction
18. The energy that is the sum of gravitational potential and kinetic energy at a point
19. A collision in which both momentum and kinetic energy are conserved
22. The product of the mass and velocity of the object
23. The work done per unit positive charge
26. A single vector which has the same effect as the original vectors acting together
27. The perpendicular force exerted by a surface on an object in contact with it