17104106
Descrição
Quiz por Alexandra Anderson, atualizado more than 1 year ago
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Criado por Alexandra Anderson
mais de 5 anos atrás
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Questão 1
Questão
What is the calculation for weight?
Responda
-
mass * force * height
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mass * gravitational field strength
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0.5 * gravitational field strength
Questão 2
Questão
charge = [blank_start]current[blank_end] * [blank_start]time[blank_end]
Responda
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current
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power
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potential difference
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time
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work done
-
frequency
Questão 3
Questão
What is the calculation for work done?
Responda
-
force * distance (along line of force)
-
distance (along line of force) * mass * force
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force * extension
Questão 4
Questão
True or false : The moment of a force is equal to force * distance * mass ?
Responda
- True
- False
Questão 5
Questão
energy transferred = [blank_start]power[blank_end] [blank_start]*[blank_end] [blank_start]time[blank_end]
Responda
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potential difference
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charge
-
power
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*
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/
-
work done
-
time
-
charge
Questão 6
Questão
[blank_start]density[blank_end] = [blank_start]mass[blank_end] / [blank_start]volume[blank_end]
Responda
-
volume
-
mass
-
density
Questão 7
Questão
[blank_start]distance travelled[blank_end] = speed * time
Responda
-
distance travelled
Questão 8
Questão
True or false: force applied to a spring = spring constant * extension ?
Responda
- True
- False
Questão 9
Questão
What three things multiply together to determine gravitational potential energy?
Responda
-
force
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gravitational field strength
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surface area
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volume
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mass
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distance
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height
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weight
Questão 10
Questão
which of these is the correct calculation for pressure?
Responda
-
force normal to a surface / (area of that surface)^2
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area of a surface / force normal to that surface
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force normal to a surface / area of that surface
Questão 11
Questão
acceleration = Δ [blank_start]velocity[blank_end] / [blank_start]time[blank_end]
Responda
-
volume
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mass
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force
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time
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speed
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velocity
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momentum
Questão 12
Questão
what is the equation for resultant force?
Responda
-
mass * acceleration
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weight * acceleration
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mass * speed
Questão 13
Questão
momentum = [blank_start]mass[blank_end] * [blank_start]velocity[blank_end]
Responda
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velocity
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speed
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acceleration
-
frequency
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weight
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mass
-
volume
-
pressure
Questão 14
Questão
Which two of these are the correct equations for power?
Responda
-
useful output energy transfer / total input energy transfer
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energy transferred * time
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energy transferred / time
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charge * voltage
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energy transferred / voltage
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work done / time
-
work done * time
Questão 15
Questão
True or false: the correct equation for kinetic energy is 1/2 * mass * speed
Responda
- True
- False
Questão 16
Questão
How would you summarise the two efficiency equations?
Responda
-
total input / total useful output
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total useful input / total output
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total useful output / total input
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total output / total useful input
Questão 17
Questão
wavespeed = [blank_start]frequency[blank_end] * [blank_start]wavelength[blank_end]
Responda
-
speed
-
frequency
-
power
-
time
-
wavelength
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distance
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extension
Questão 18
Questão
which of these works out amount of energy transferred?
Responda
-
potential difference * power
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potential difference / charge
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potential difference / current
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charge * current
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charge * potential difference
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charge / potential difference
Questão 19
Questão
How do you work out potential difference?
Responda
-
power * current
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power * resistance
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time * resistance
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current * resistance
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current / resistance
Questão 20
Questão
Which two equations can be used to find power?
Responda
-
current * resistance
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current * potential difference
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current^2 * resistance
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resistance^2 * current
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