P1 Flashcards
1
Q
What is weight measured in
A
Newtons (N)
2
Q
Energy is measured in …..
A
Joules (J)
3
Q
Power is ……..
A
A rate of transfer of energy
4
Q
Power of an appliance is measured in…
A
Watts (w) or kilowatts (KW)
5
Q
Work done=
A
Fs (The force and the distance moved)
6
Q
Energy?
A
Is the ability to do work
7
Q
Kinetic energy is
A
A moving object
8
Q
Chemical energy is
A
A fuel or battery
9
Q
Gravitational Potential energy is
A
An object above ground
10
Q
Elastic energy is
A
A stretched or squashed object
11
Q
Thermal energy is
A
Due to the substances temperature
12
Q
Magnetic energy is
A
2 separated magnets (attract/repel)
13
Q
Nuclear energy is
A
Radioactive decay
14
Q
System is…. (In terms of energy)
A
A chosen object or a group of objects
15
Q
Specific heat capacity
A
How many joules of heat energy needed to raise the temperature of each by 1%C
