Question 1
Question
What is the calculation for weight?
Question 2
Question
charge = [blank_start]current[blank_end] * [blank_start]time[blank_end]
Answer
-
current
-
power
-
potential difference
-
time
-
work done
-
frequency
Question 3
Question
What is the calculation for work done?
Question 4
Question
True or false : The moment of a force is equal to force * distance * mass ?
Question 5
Question
energy transferred = [blank_start]power[blank_end] [blank_start]*[blank_end] [blank_start]time[blank_end]
Answer
-
potential difference
-
charge
-
power
-
*
-
/
-
work done
-
time
-
charge
Question 6
Question
[blank_start]density[blank_end] = [blank_start]mass[blank_end] / [blank_start]volume[blank_end]
Question 7
Question
[blank_start]distance travelled[blank_end] = speed * time
Question 8
Question
True or false: force applied to a spring = spring constant * extension ?
Question 9
Question
What three things multiply together to determine gravitational potential energy?
Question 10
Question
which of these is the correct calculation for pressure?
Answer
-
force normal to a surface / (area of that surface)^2
-
area of a surface / force normal to that surface
-
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
-
mass
-
force
-
time
-
speed
-
velocity
-
momentum
Question 12
Question
what is the equation for resultant force?
Answer
-
mass * acceleration
-
weight * acceleration
-
mass * speed
Question 13
Question
momentum = [blank_start]mass[blank_end] * [blank_start]velocity[blank_end]
Answer
-
velocity
-
speed
-
acceleration
-
frequency
-
weight
-
mass
-
volume
-
pressure
Question 14
Question
Which two of these are the correct equations for power?
Answer
-
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
Question 15
Question
True or false: the correct equation for kinetic energy is 1/2 * mass * speed
Question 16
Question
How would you summarise the two efficiency equations?
Answer
-
total input / total useful output
-
total useful input / total output
-
total useful output / total input
-
total output / total useful input
Question 17
Question
wavespeed = [blank_start]frequency[blank_end] * [blank_start]wavelength[blank_end]
Answer
-
speed
-
frequency
-
power
-
time
-
wavelength
-
distance
-
extension
Question 18
Question
which of these works out amount of energy transferred?
Answer
-
potential difference * power
-
potential difference / charge
-
potential difference / current
-
charge * current
-
charge * potential difference
-
charge / potential difference
Question 19
Question
How do you work out potential difference?
Answer
-
power * current
-
power * resistance
-
time * resistance
-
current * resistance
-
current / resistance
Question 20
Question
Which two equations can be used to find power?