AQA GCSE Physics - Paper 2 with well worked out
ANSWERS
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What are vectors? Quantities that have a magnitude and a direction
What are scalars? Quantities that only have a magnitude
Force
Velocity
Examples of vectors Displacement
Acceleration
Momentum
Speed
Distance
Examples of scalars Mass
Temperature
Time
What are contact forces? Forces that act when two objects are touching
What are non-contact Forces that act without the need for two objects to be
forces? touching
Friction
Examples of contact Air resistance
forces Tension in ropes
Normal contact force
Magnetic force
Examples of non-contact
Gravitational force
forces
Electrostatic force
, The amount of material an object is made of
What is mass? It is the same value everywhere
Measured using a mass balance
The force acting on an object due to gravity
It depends on the strength of the gravitational field at
What is weight? the location of the object
Measured using a calibrated spring balance -
newtonmeter
Weight (N) = Mass (kg) x Gravitational Field Strength
Equation for Weight (N/kg)
W=mg
What is weight directly Mass
proportional to?
What are free body Diagrams that show all the forces acting on an object
diagrams?
What is the minimum At least 2 forces
number of forces acting
on an object in real
situations?
What is the resultant The single force that replaces multiple forces acting at
force? a single point
When a force moves an object through a distance,
How is work done?
energy is transferred and work is done on the object
Work done (J) = Force (N) x Distance (m)
Equation for 'Work Done'
W=Fs
What is 1J equal to? 1Nm
What could happen when It may stretch, compress or bend
you apply a force to an
object?
What happens when an The object won't return to its original shape and
object is inelastically length after the force has been removed
deformed?
ANSWERS
Save Groups
What are vectors? Quantities that have a magnitude and a direction
What are scalars? Quantities that only have a magnitude
Force
Velocity
Examples of vectors Displacement
Acceleration
Momentum
Speed
Distance
Examples of scalars Mass
Temperature
Time
What are contact forces? Forces that act when two objects are touching
What are non-contact Forces that act without the need for two objects to be
forces? touching
Friction
Examples of contact Air resistance
forces Tension in ropes
Normal contact force
Magnetic force
Examples of non-contact
Gravitational force
forces
Electrostatic force
, The amount of material an object is made of
What is mass? It is the same value everywhere
Measured using a mass balance
The force acting on an object due to gravity
It depends on the strength of the gravitational field at
What is weight? the location of the object
Measured using a calibrated spring balance -
newtonmeter
Weight (N) = Mass (kg) x Gravitational Field Strength
Equation for Weight (N/kg)
W=mg
What is weight directly Mass
proportional to?
What are free body Diagrams that show all the forces acting on an object
diagrams?
What is the minimum At least 2 forces
number of forces acting
on an object in real
situations?
What is the resultant The single force that replaces multiple forces acting at
force? a single point
When a force moves an object through a distance,
How is work done?
energy is transferred and work is done on the object
Work done (J) = Force (N) x Distance (m)
Equation for 'Work Done'
W=Fs
What is 1J equal to? 1Nm
What could happen when It may stretch, compress or bend
you apply a force to an
object?
What happens when an The object won't return to its original shape and
object is inelastically length after the force has been removed
deformed?
