1
Q
Weight
A
Weight=Mass x Gravity
2
Q
Fres (B-S)
A
Fres=Forwards-Backwards
3
Q
Fres
A
Fres=Mass x Acceleration
4
Q
When there’s no air resistance all objects fall at the same rate of…
A
10m/s2
5
Q
Spring
A
Force (F) =spring constant (k) x extension (e)
6
Q
Extension
A
E=Extended length-Natural length
7
Q
Pressure
A
P=F divided by A Pressure=Force divided by Area
8
Q
How can you improve stability?
A
Widen the base and lower the centre of gravity.
9
Q
FAPso
A
Force, Area, Pressure so… Force applied over large area=low pressure. Small area=high pressure.
10
Q
Moments
A
Moments=Force x Perpendicular distance between force and pivot.
11
Q
Principle of moments
A
ACWM=CWM F1xD1=F2xD2
Psychics revision
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