Chapter 5 Vocab Flashcards
1
Q
Si Unit of energy
A
Joule
2
Q
Si Unit of power
A
Watts
3
Q
Si Unit of mass
A
kg
4
Q
Si Unit of work
A
joule
5
Q
Eqn for kinetic energy
A
1/2mv^2
6
Q
Eqn for work done by a constant force
A
F (cos180) d
7
Q
Eqn for potential energy
A
mgh
8
Q
Eqn for spring force
A
F= -kx
9
Q
The rate work is done
A
power
10
Q
Law of conservation
A
W = U = K
11
Q
K is the symbol for
A
Kinetic energy
12
Q
U is the symbol for
A
Potential energy
13
Q
E is the symbol for
A
Mechanical energy
14
Q
Energy of motion
A
Kinetic energy
15
Q
Energy of position (stored)
A
Potential energy
16
Q
Wo /Wi x 100
A
Efficiency
17
Q
P is the symbol for
A
Power
18
Q
Work/time
A
Watts
19
Q
A kg(m^2/s^2) is equal to a
A
joule
20
Q
A N(m) is equal to a
A
joule
