Chapter 1: Motion, Forces and Energy (Pt. 7) Flashcards
1
Q
What is energy measured in?
A
Joules
2
Q
List some forms of energy.
A
Kinetic energy
Gravitational potential energy
Chemical potential energy
Elastic potential
Nuclear
Electrical
Radiated energy
Sound
3
Q
What is the eqn for kinetic energy.
A
4
Q
A
5
Q
What is the eqn for g.p.e
A
6
Q
A
7
Q
State the law for conservation of energy.
A
8
Q
How can we represent energy transfers?
A
Using a Sankey diagram
9
Q
How do you calculate work done?
A
10
Q
A
11
Q
What is efficiency?
A
a measure of how much work or energy is conserved in a process
12
Q
A
13
Q
How do you find percentage of efficiency?
A
14
Q
A
15
Q
What is power?
A
The rate at which work is done
17
Q
How do you calculate power?
A
18
Q
A
19
Q
A
