McAuley p2 Physics.csv
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What are the units of force
Newtons

What are the units of distance
Metres

What are the units of time
seconds

What is the unit of momentum
kgm/s

What is the unit of speed
m/s

What is the unit of acceleration
m/s2

On a distance time graph what does a straight line represent?
A stationary object

What does the gradient on a distance time graph represent?
The speed of an object

How do you calculate the gradient on a graph
Divide the change on the Y axis by the change on the x axis

What does a horizontal line on a velocity time graph mean?
Constant Speed

What does a steep line on a velocity time graph show
Fast acceleration

The area under a velocity time graph represents
Distance travelled

"What is the equation involving force
mass and acceleration"

A car has a mass of 2000 kg and is accelerating at 4m/s2 what is the force provided by the engine?
F= MA F = 2000x4 = 8000N

A lorry has a mass 12000 kg and the engine provides a force of 48000N what is its acceleration?
F= ma a=F/m= 48000/12000 = 4m/s2

Momentum =
Mass x velocity

Kinetic energy =
1/2* m * v2

Workdone =
force x distance

"What is the equation for force
change in momentum and time "

Which component is always put in parallel within the circuit?
Voltmeter

Which component is always put in series within the circuit?
Ammeter

What is DC current
Direct Current  Only flows in one direction

What is an AC current
Alternating current  constantly reverses direction.

In a plug the blue wire is
Neutral

In a plug the green and yellow wire is the ..?
Earth Wire

In a plug the brown wire is the ...?
Live Wire

What is the equation relating power energy and time
Power = energy/time

What is the equation relating power current and potential different
power = current x potential difference


The unit of Charge is ...?
Coulombs

Workdone=
Force x distance