Definitions Flashcards
(8 cards)
1
Q
Define gravitational field strength.
A
Gravitational force per unit mass on a test mass placed in the field
2
Q
Discuss the changes that take place in the kinetic and potential energies of the water as it boils.
A
Kinetic remains constant while potential increases
3
Q
An initially neutral rod and cloth are rubbed together. Explain why the cloth becomes negatively charged.
A
Friction transfers electrons from the rod to the cloth
4
Q
centre of charge
A
Outside a uniformly charged sphere, the entire charge can be treated as if it were concentrated at the center.
5
Q
State what is meant by electric field strength.
A
the force per unit charge on a small positive test particle
6
Q
A
7
Q
A
8
Q
A
