Font size
WorksheetsGCSE Physics
Total questions: 116
Worksheet time: 2hrs 48mins
What is 30 m/s in km/h? (type the number only without units)
(a)
What is the momentum of a 500g car travelling at 30 m/s? Give your answer in kgm/s without the units. (momentum = mass x velocity)
(a)
What are the units of power?
Joules
Newtons
Amps
Watts
Kilowatt-hours
The rate of energy transfer (energy divided by time) is called what? (Begins with a p)
(a)
What is the kinetic energy of a 800g toy moving at 10m/s? Give your answer in Joules, but only type the number - no units.
8
40
4000
4
Gravitational potential energy is equal to mass x gravitational field x (a) ?
What quantity is measured in kilograms?
(a)
What is the GPE of a 60kg man standing on top of a 25cm high stool? State the units with your answer (a single letter is fine).
(a)
What is the correct formula for force?
Mass x weight
Mass x velocity
Mass x acceleration
Mass x time
Mass x distance
An object with a mass of 5kg is dropped from a height of 100m. What is the impact velocity with the ground, in metres per second, to one decimal place? Do not type the units.
(a)
If two cars are travelling towards each other, which of these statements is true.
One has a negative time
One has a negative mass
One has a negative distance
One has a negative momentum
One has a negative kinetic energy
What is 30 km/h in m/s given to 1 decimal place? Do not type the units.
8.3
9.8
6.9
9.4
108
What is the density of a cube with dimensions of 4cm x 4cm x 4cm with a mass of 16g? Give your answer in g/cm^3 without typing the units.
(a)
Which of these is not a force?
Kinetic
Thrust
Tension
Drag
Friction
Which of these are measured in Joules? Tick all that apply (two answers).
Kinetic energy
Weight
Thrust
Power
Work done
Which of these does not affect the time taken for an object to fall from a height?
mass
initial speed
final speed
acceleration
distance
What are the two quantities needed to work out momentum and also kinetic energy?
mass
time
acceleration
velocity
distance
Which has the highest density? Do not guess, use your day to day knowledge of each substance.
water
oil
copper
gold
aluminium
Which of these is not an equation for energy?
21mv2
mgh
Pt
mv
Fd
Which of these is not a non-renewable energy source for a power station?
coal
nuclear
woodchips
oil
What is the Equation for Kinetic Energy?
Kinetic Energy = 0.5 x Mass x Speed²
Kinetic Energy = 0.5 x Mass² x Speed
Kinetic Energy = 0.5 x Mass² / Speed
What are Equations for Gravitational Potential Energy?
Gravitational Potential Energy = Mass x Gravitational Field Strength x Height
Gravitational Potential Energy = Weight x Height
Gravitational Potential Energy = Mass x Gravitational Field Strength / Height
Gravitational Potential Energy = Weight / Height
The formula for calculating kinetic energy (Ek) is...
2 x speed x mass2
1/2 x speed x mass2
2 x mass x speed
1/2 x mass x velocity2
The units for kinetic energy are...
Joules, J
degrees celsius, oC
kilograms, kg
metres per second m/s
What is the formula for elastic potential energy?
Ee=1/2ke2
Ep=1/2ke2
Ee=2ke2
Ep=2ke2
Is Nuclear energy, as a source of electricity, renewable or non-renewable?
Non-renewable
Renewable
What is the specific heat capacity of a material?
The energy required to heat 1kg of an object by 1°C
The energy required to heat a set mass of the material by a set temperature
100
4200
What is the Equation for Weight?
Weight = Mass x Gravitational Field Strength
Weight = Mass / Gravitational Field Strength
Weight = Gravitational Field Strength / Mass
What is the Equation for Work Done?
Work Done = Force x Distance
Work Done = Force / Distance
Work Done = Distance / Force
What is the Equation for Force applied to a Spring?
Force applied to a Spring = Spring Constant x Extension
Force applied to a Spring = Spring Constant / Extension
Force applied to a Spring = Extension / Spring Constant
What is the Equation for Pressure?
Pressure = Force x Area of Surface
Pressure = Force / Area of Surface
Pressure = Area of Surface / Force
What is the Equation for Acceleration?
Acceleration = Change in Velocity x Time
Acceleration = Change in Velocity / Time
Acceleration = Time / Change in Velocity
What is the Equation for Resultant Force?
Resultant Force = Mass x Acceleration
Resultant Force = Mass / Acceleration
Resultant Force = Acceleration / Mass
Which are the Equations for Power?
Power = Energy Transferred / Time
Power = Work Done / Time
Power = Energy Transferred x Time
Power = Work Done x Time
What is the Equation for Wave Speed?
Wave Speed = Wave Length x Frequency
Wave Speed = Wave Length / Frequency
Wave Speed = Frequency / Wave Length
What is the Equation for Charge Flow?
Charge Flow = Current x Time
Charge Flow = Current / Time
Charge Flow = Time / Current
What is another Equation for Power?
Power = Potential Difference x Current
Power = Potential Difference / Current
Power = Current / Potential Difference
What is another Equation for Power?
Power = Current² x Resistance
Power = Resistance² x Current
Power = Resistance² / Current
What are the Equations for Energy Transferred?
Energy Transferred = Power x Time
Energy Transferred = Power / Time
Energy Transferred = Charge Flow x Potential Difference
Energy Transferred = Charge Flow / Potential Difference
What is the equation that link charge (Q), energy transferred (E) and potential difference (V)?
Energy Transferred = Charge / Potential Difference, or E=Q/V
Energy Transferred = Potential Difference / Charge, or E=V/Q
Energy Transferred = Charge x Potential Difference, or E=QV
What is the equation that links current (I), potential difference (P) and resistance (R)?
Potential difference = Current x Resistance, or V=IR
Potential difference = Current / Resistance, or V=I/R
Potential difference = Resistance / Current, or V=R/I
What is the equation that links density (ρ), mass (m) and volume (V)?
Density = Volume x Mass, or ρ=Vm
Density = Mass / Volume, or ρ=m/V
Density = Volume / Mass, or ρ=V/m
What is the equation that links Power (P), Time (t) and Work Done (W)?
Power = Time x Work Done, or P=tW
Power = Time / Work Done, or P=t/W
Power = Work Done / Time, or P=W/t
What is the average speed equation?
average speed = total time / distance travelled
average speed = time taken / total distance
average speed = total distance travelled / time taken
average speed = total distance travelled x time taken
What is the equation for the acceleration of an object?
change in velocity / time taken
change in time / velocity
change in time x velocity
change in velocity x time taken
What is the symbol equation for acceleration?
a = (v + u) / s
a = (v - u) / t
a = (u - v) / t
a = (u - v) / s
Which of the following equation is the average speed equation re-arranged so that 'time taken' is the subject.
time taken = average speed / distance travelled
time taken = average speed x distance travelled
time taken = distance travelled / average speed
time taken = distance travelled x average speed
What are the standard units of acceleration?
m
s
m s-1
m s-2
A student is asked to solve the following problem:
An object is thrown upwards with a speed of 25 m s-1. How high will it be when the speed is 12 m s-1 ?
Which equation will allow the problem to be solved in a SINGLE calculation?
s=ut+21at2
s=2(u+v)t
v=u+at
v2=u2+2as
Which of these is the correct equation for density?
Density = mass x volume
Density = mass /volume
Density = volume/mass
Density = mass/volume^3
Which state of matter does this particle diagram most closely represent?
Solid
Liquid
Gas
Plasma
Which state of matter is the most dense?
Solid
Liquid
Gas
Plasma
What state of matter does the following describe?
"a state of matter that has no fixed shape and no fixed volume"
(a)
What pieces of equipment would I use to find the volume of an irregularly shaped object?
Newton meter and volume meter
Balance, Ruler, then do length x mass x depth
Balance and eureka beaker
Eureka Beaker and measuring cylinder
A substance is changing state from a gas to a liquid. What do we call this?
(a)
When a substance changes state, there is a change in mass. True or false?
True
False
Internal energy is....(2 answers)
...stored in the atoms and molecules that make up the system
...the sum of the total kinetic energy and potential energy of particles
... the stored in gases when they are moved around
...increased by moving the substance from one place to another
Look at the following equation E = m c Δθ What does the c stand for?
Mass
change in temperature
Latent heat
specific heat capacity
Look at the equation: E=mcΔθ Calculate the energy needed to heat 10kg of water (with a SHC of 4200J/kg*C) from 20*C to 30*C
42,000J
42J
420,000J
1,260,000J
Look at the equation: E=mL What does the L stand for?
Latent Heat
Mass
Energy
Specific Heat Capacity
What is happening at D?
Liquid changing state into a gas - potential energy of particles is constant
Liquid being heated - kinetic energy of particles is increasing
Liquid being heated, temperature remains constant as there is no energy transfer
Liquid changing state into a gas - temperature of substance remains constant
James wants to find the energy needed to change the temperature of a block of copper from room temperature to 100*C. What property of Copper does he need to know?
Specific Latent Heat of fusion
Specific Latent Heat of vaporisation
Specific Heat Capacity
What happens to the particles in a gas when it is heated?
Particles average kinetic energy increases
Particles move more randomly
They hit into each other less frequently
The pressure of the gas decreases
A gas is kept at a constant volume, but it is heated up. What happens to the pressure of the gas?
Pressure increases because particles hit the sides of the container more frequently (they have more KE)
Pressure increases because particles hit the sides each other more frequently (they have more KE)
Pressure decreases because particles have more room to move so don't hit the sides of the containers as often.
Pressure decreases because particles have more room to move so don't hit each other as often.
A gas is kept at a constant temperature but it's volume is decreased. What happens to the pressure of the gas?
It increases as the particles have more kinetic energy and hit the sides of the container more
It increases as the particles have less space to move, so hit the sides of the container more frequently
It decreases as the particles have less kinetic energy and hit each other less
It decreases as the particles have more space to move, so hit each other less
Which of the following statements is true?
Volume x pressure = constant
volume x pressure = temperature x volume
volume/pressure = constant
volume x number of particles = temperature x pressure
What is the unit for pressure?
Pa
J
kg/m3
N
What is it called when a liquid changes state to a solid?
(a)
What is it called when a liquid changes state to a gas?
(a)
When drawing magnetic field lines, they should have…
arrows pointing south to north
arrows pointing in both directions
no arrows
arrows pointing north to south
An unmagnetised iron nail is passed through a coil of wire attached to a sensitive ammeter.
What happens?
The nail is attracted
The nail is repelled
A current is induced
No current is induced
A magnetic field is acting away from you and a conductor moves upwards through this field.
If you use Fleming's right hand rule, what can you conclude?
No current will be induced
A current will be induced upwards
A current will be induced to the left
A current will be induced away from you
A current passes through this solenoid from the left to right end. How should the magnetic field arrows be drawn?
The magnetic field arrows should be drawn inward at both ends
The magnetic field arrows should be drawn outward at both ends
The magnetic field arrows should be drawn into the left end and out of the right end
The magnetic field arrows should be drawn into the right end and out of the left end
The region around a magnet where the effect of the magnet can be felt is called the…
magnetic pole
magnetic field
magnetic force
magnetic line
An iron nail that isn't initially magnetic is brought close to a magnet and becomes magnetised.
What is the nail now called?
A constant magnet
A permanent magnet
A temporary magnet
An induced magnet
Which piece of equipment would you NOT need to use in order to show how a current is induced?
A magnet
A battery
A wire
An ammeter
Which of the following describes what a relay switch can be used for?
To attract a hammer to hit a bell
To attract the switch terminals of a circuit to turn on something needing a larger current
To attract an iron bolt to pull it back
To attract an iron bar to activate an electronic counter
When you move towards a magnet, the magnetic field becomes…
stronger
more spread out
weaker
parallel
A magnet is moved past a straight wire and a current is induced.
Which of the following would increase the induced current?
Turning the magnet round
Moving the magnet past in the opposite direction
Making the wire into a coil
Moving the magnet more slowly
Which of the following would NOT make an electromagnet stronger?
Having the wire coils turn in both directions
Wrapping more turns of wire round the core
Using a soft iron core instead of air
Increasing the current through the wire
A magnet is passed through a coil of wire at a steady speed.
It is then passed back through the same coil of wire at the same speed but in the opposite direction.
Which of the following is true?
The current is now stronger, but in the same direction
The current is the same strength and in the same direction
The current is the same strength but in the opposite direction
The current is now stronger and in the opposite direction
The magnetic field around a solenoid is the same shape as the magnetic field…
between two north poles
between two south poles
between two opposite poles
surrounding a bar magnet
A coil of wire is connected to a sensitive voltmeter.
A magnet is pushed into the coil then left there.
What does the voltmeter needle do?
The needle does not respond
The needle flicks to the right then stays in that position
The needle flicks right then left
The needle flicks right then returns to zero when the magnet stops moving
Look at this solenoid. How would a permanent magnet stood underneath the solenoid be affected?
A permanent magnet stood under this solenoid with the south pole upwards would be attracted
A permanent magnet stood under this solenoid with the south pole upwards would be repelled
A permanent magnet stood under this solenoid with the north pole upwards would be repelled
A permanent magnet stood under this solenoid with the north pole upwards would be unaffected
How could you investigate the strength of an electromagnet?
See how many plastic beads it can hold
See how many steel paper clips it can hold
See how many copper nails it can hold
See how many brass tacks it can hold
What does this image show?
This image shows two opposite poles repelling
This image shows two opposite poles attracting
This image shows two like poles repelling
This image shows two like poles attracting
How are the two poles on a bar magnet named?
North and north
South and south
North and south
East and west
When a current passes through a straight length of wire, the magnetic field created is…
alongside the wire in the direction of the current
alongside the wire but in the opposite direction to the current
circular, along the length of the wire
radiating outwards from the wire in all directions
A magnet is dropped through a coil of wire.
Which of these suggestions will NOT affect the strength of current that is induced?
Drop the magnet through with the other pole pointing downwards
Drop a stronger magnet through the coil
Use a coil with more turns of wire
Lower the magnet through on a string instead of dropping it
Which of these devices does NOT use a solenoid?
A door bell
A relay switch
An electric door lock
An electric fan
An iron bar is made to be magnetic all the time.
What is the iron bar called?
A constant magnet
A permanent magnet
A temporary magnet
An induced magnet
Which of the following is NOT an advantage of an electromagnet?
Can be turned on and off easily
Can be made stronger or weaker easily
Poles can be reversed easily
Doesn't need a power supply
Electromagnetic induction causes a current to flow when…
currents cut through a field
a field experiences a force
a conductor cuts through magnetic field lines
a conductor aligns with magnetic field lines
When an object is ....
What other information is needed to calculate the useful work done in lifting the bricks?
In which situation is it IMPOSSIBLE for the object to be in equilibrium?
