4307395
Descripción
Mapa Mental por Jono Barnes, actualizado hace más de 1 año
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Creado por Jono Barnes
hace casi 9 años
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Physics Equations Mind Map
- Newtons Laws
- 1st Law:
- If there is no resultant force acting on an
object it will move with constant velocity
- If there is no resultant force acting on an
object it will move with constant velocity
- 2nd Law
- If resultant force acts on a body, the body will accelerate in the direction of the force
- F = ma
- F = ma
- If resultant force acts on a body, the body will accelerate in the direction of the force
- 3rd Law
- Every action has an equal
and opposite reaction
- Every action has an equal
and opposite reaction
- 1st Law:
- Waves
- frequency = number of waves /
time
- Refractive index = speed of light in vacuum /
speed of light in medium
- Snells Law: Ni sin(i) = Nr sin(r)
- Wavelength(m) = v / f
- Total internal reflection occurs when a wave hits the boundary
between two substances at an angle greater than the critical angle
- One oscillation(s) = 1/f
- frequency = number of waves /
time
- Momentum
- Impulse
- Resultant force x time = change in momentum
- Resultant force x time = change in momentum
- P = mass x velocity (kgm/s)
- KE = P² / 2m
- After a collision, momentum remains
the same as before the collision
- m1 v1 = m2 v2
- m1 v1 = m2 v2
- Impulse
- Power = energy supplied / time
- Power = work done (J) / time(s)
- Power = work done (J) / time(s)
- Gain in KE = Loss in GPE
- v = √2gh
- v = √2gh
- Circular Motion Equation
- F = m v ² / r
- F = m v ² / r
- Moment = force x distance
- F = ma
- a = v-u / t
- S = d / t
- KE = 1/2 m v²
- Velocity = displacement / time
- Pressure
- Pressure in Liquid = height x density x gravity
- force / area
- p1 v1 = p2 v2
- Pressure of a gas is inversely proportional
to its volume
- Pressure of a gas is inversely proportional
to its volume
- p1 / t1 = p2 / t2
Nota:
- Temperature must be in kelvin
- Pressure in Liquid = height x density x gravity
- GPE = mgh
- Work done = force x distance in
direction of travel
- Specific Latent Heat
- Tells us how much energy is needed to change the state
of a mass of a substance at constant temperature
- E = mL
- Tells us how much energy is needed to change the state
of a mass of a substance at constant temperature
- Efficiency = useful energy in / total energy in
- Energy supplied = power x time
- Density = mass / volume
- Weight = mass x gravity
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