The Newtonian World: Definitions

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Newton's First Law
A body will remain at rest or continue to move with constant velocity unless acted upon by a force
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Newton's Second Law
Force is proportional to the rate of change of momentum
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Newton's Third Law
When one body exerts a force on another, the other body must exert an equal in magnitude but opposite in direction force on the first body
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Newton's Law of Gravitation
The gravitation force of attraction between two objects is directly proportional to the product of their masses and inversely proportional to the square of separation
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The Newton
The force which gives a mass of 1kg an acceleration of 1ms-1
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Impulse of a Force
Product of a force acting on a body and the time it is acting, equal to the rate of change of momentum
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Principle of Conservation of Momentum
Total momentum is conserved for a closed system
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Gravitational Field Strength
Force per unit mass
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Circular Motion
When a net force acts on an object perpendicular to the velocity
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Simple Harmonic Motion
Acceleration is directly proportional to the displacement and is in the opposite direction to the displacement
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Inelastic Collision
Some loss of Kinetic Energy during a collision
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Kilowatt-Hour
The energy used by 1kW device in an hour
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Perfectly Elastic Collision
A collision with no loss of Kinetic Energy
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Specific Heat Capacity
Energy required to change the temperature of 1kg of a substance by 1 degree C
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Brownian Motion
Smoke particles move in random motion
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Boyle's Law
Pressure is inversely proportional to the volume for a fixed mass of gas at a constant temperature
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Internal Energy
The sum of the random distribution of kinetic and potential energies associated with the molecules of a system
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Other cards in this set

Card 2

Front

Force is proportional to the rate of change of momentum

Back

Newton's Second Law

Card 3

Front

When one body exerts a force on another, the other body must exert an equal in magnitude but opposite in direction force on the first body

Back

Preview of the back of card 3

Card 4

Front

The gravitation force of attraction between two objects is directly proportional to the product of their masses and inversely proportional to the square of separation

Back

Preview of the back of card 4

Card 5

Front

The force which gives a mass of 1kg an acceleration of 1ms-1

Back

Preview of the back of card 5
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