1.
The force that opposes motion between two surfaces in contact.
2.
The speed of an object in a given direction.
3.
The energy stored in a stretched or compressed object.
5.
A measure of how difficult it is to change the velocity of an object.
6.
The force per unit area acting on a surface.
7.
A turning effect of a force about a pivot.
8.
A continuous conducting path for electricity to flow.
9.
The force acting per unit charge in an electric field.
10.
The time taken for half the radioactive nuclei in a sample to decay.
