Speed, Distance, Mass, Time, Energy - Scalars, Force, Velocity, Displacement, Acceleration, Weight - Vectors, Is the rate and change of velocity - Acceleration, An object will remain at rest or travel at a constant speed unless acted on by an unbalanced force - Newtons 1st Law, Force = mass x acceleration - Newtons 2nd Law, For every action there is an equal and opposite reaction - Newtons 3rd Law, Eventually the air resistance (acting upwards) will balance with their weight (acting downwards). The resultant force will be zero and so they will fall at constant speed - Terminal Velocity, Energy can never be created or destroyed, it can only be converted from one form in to another/other form(s) - Energy Conversion, is the energy that an object has due to its speed and mass - Kinetic Energy, is an object which moves freely through the air/space in a gravitational field - Projectile Motion,

Dynamics - Physics Nat 5

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