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