# Flashcard Set Preview

Side ASide B

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...

couple

The torque due to a couple is the product of one of forces and the separation between them.

The centre of gravity

The centre of gravity of a body is the point through which its weight acts. Were it to be supported...

centre of mass

The centre of mass of a body is the point through which its mass acts. In the absence of a...

Absolute zero

Is the temperature at which the pressure and volume of an ideal gas would be zero. All vibrational...

principle of moments

The principle of moments states that for a body to be in equilibrium, the sum of the clockwise...

Newton’s First Law of Motion

Every body continues in its state of rest or uniform motion in a straight line unless acted...

Newton’s Second Law of Motion

The rate of change of momentum of a body is directly proportional to the force acting upon...

Newton’s Third Law of Motion

Whenever a body A exerts a force on a body B, body B exerts a force of equal magnitude but...

Principle of Conservation of Linear Momentum

The Principle of Conservation of Linear Momentum states that the total linear momentum of a...

Specific heat capacity

Specific heat capacity of a substance is the heat energy required to raise the temperature...

specific latent heat of fusion

The specific latent heat of fusion of a substance is the energy required to change the state...

specific latent heat of vaporization

The specific latent heat of vaporization of a substance is the energy required to change the...

What is the equation of state?

pV = nRT
where: p = pressure V = volume n = number of moles R = molar gas...

What is the equation for kinetic energy?

E

_{K}= ½ mv2
What is the equation for change in gravitational potential energy?

delta Ep = mg delta h

What conditions must be met for you to apply Newton’s equations of motion to a body?

The body must be under constant acceleration conditions (e.g. falling under gravity).

What is the equation for momentum?

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