Common Mistakes Flashcards
1
Q
What is Newton’s Second Law words?
A
An object’s acceleration depends on the force applied to it’s mass
2
Q
What is Energy?
A
The ability to do work
Measured in Jules
3
Q
What are non conservative forces?
A
Forces that dissipate energy to the environment
e.g. Friction
Reduce usefulness of energy transfer
4
Q
What is efficiency?
A
Using as much of the supplied energy as possible to do th required action
Efficiency = useful energy/totoal supplied x 100 - as a percentage
5
Q
Wavelength Formula
A
λ = v/f
λ = wavelength
v = velocity
f = frequency
6
Q
What is longsigted called?
A
Hyperopia
7
Q
What is hyperopia fixed with?
A
Converging lenses
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8
Q
What is miopia fixed with?
A
Diverging lenses
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