General Knowledge Flashcards
W = MG
Weight = Mass × Gravity
V = U + AT
Velocity = Initial Velocity + Acceleration × Time
S = UT + ½AT²
Height = Initial Velocity × Time + ½ × Acceleration × Time²
Displacement
The straight line distance between the start and end point.
Speed
How far you move in a period of time(km/hr, m/s etc)
Velocity
Measures displacement over time in a direction.
Momentum
The quantity of motion an object has.
The power the object has while in motion.
Acceleration
The rate of change of velocity of an object with respect to time. Acceleration is the net result of all forces acting on the object.
Inertia
The resistance of an object to any change in its velocity. An object in motion will remain in motion or an object at rest will remain at rest unless acted upon by a force.
Mass
The quantity of matter in a body regardless of its volume or of any forces acting upon it.
Force
The push or pull on an object with mass that causes it to change velocity.
Friction
The resistance to motion of one object moving relative to another.
Newton’s 1st Law
An object at rest will stay at rest until a new unbalanced force acts upon it.
A moving object will continue to move at the same velocity unless acted upon by a net unbalanced force.
Newton’s 2nd Law
F = MA
Force is proportional to mass multiplied by acceleration.
Newton’s 3rd Law
For every action there is an equal and opposite reaction.
Energy
Anything that could work.
Work
A force is applied and there is a change in movement.
Energy examples
- electrical
- kinetic
- nuclear
- solar
- heat
- magnetic potential energy
- gravitational potential energy
- elastic potential energy
- sound potential energy
- chemical potential energy
Luminosity
The measurement of energy output compared directly to our star.
Hertzsprung-Russel Diagram
Arranging stars on brightness and colour, a graph that compares the stars form their luminosity to their temp.
The Doppler Effect
An observable measurement change in wave length frequency due to a body emitting the wave length and moving at a significant velocity.
Deaxyribose Nucleic Acid (DNA)
Initialism that provides a basic description of the chemical that codes for all life as we know.
DNA is a double helix (a twisted ladder).
Codon (Triplet)
A special sequence of three DNA that corresponds with a specific amino acid.
Chromosomes
A structure in all living cells that consists of a single molecule of DNA bonded to various proteins and that carries the genes determining
