Rote For PA02

18 cards

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Created Dec 7, 2006
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1
A moment of a force (or torque)
 
A moment of a force (or torque) is the product of the magnitude of the force and the perpendicular...
2
couple
 
The torque due to a couple is the product of one of forces and the separation between them.
3
The centre of gravity
 
The centre of gravity of a body is the point through which its weight acts. Were it to be supported...
4
centre of mass
 
The centre of mass of a body is the point through which its mass acts. In the absence of a...
5
Absolute zero
 
Is the temperature at which the pressure and volume of an ideal gas would be zero. All vibrational...
6
principle of moments
 
The principle of moments states that for a body to be in equilibrium, the sum of the clockwise...
7
Newtons First Law of Motion
 
Every body continues in its state of rest or uniform motion in a straight line unless acted...
8
Newtons Second Law of Motion
 
The rate of change of momentum of a body is directly proportional to the force acting upon...
9
Newtons Third Law of Motion
 
Whenever a body A exerts a force on a body B, body B exerts a force of equal magnitude but...
10
Principle of Conservation of Linear Momentum
 
The Principle of Conservation of Linear Momentum states that the total linear momentum of a...
11
Specific heat capacity
 
Specific heat capacity of a substance is the heat energy required to raise the temperature...
12
specific latent heat of fusion
 
The specific latent heat of fusion of a substance is the energy required to change the state...
13
specific latent heat of vaporization
 
The specific latent heat of vaporization of a substance is the energy required to change the...
14
What is the equation of state?
 
pV = nRT

where:
p = pressure
V = volume
n = number of moles...
15
What is the equation for kinetic energy?
 
EK = mv2
16
What is the equation for change in gravitational potential energy?
 
delta Ep = mg delta h
17
What conditions must be met for you to apply Newtons equations of motion to a body?
 
The body must be under constant acceleration conditions (e.g. falling under gravity).
18
What is the equation for momentum?
 
p = mv

where:
p = momentum (Ns)
m = mass (kg)
v = velocity (m/s)


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