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