Y10Moments Flashcards
Unit of Force
Newton (N)
Unit of moment of a force
Newton-metre (Nm)
Equation for the moment of a force
M = Fd
d is the …?… distance from the pivot to the line of action of the force
perpendicular
The principle of moments applies to a lever which is in …?
equilibrium
The equation form of the principle of moments
Total clockwise moment = Total anticlockwise moment
The force that you are using a lever to overcome is called the…?
load
The force that you apply to a lever is called the …?
effort
A lever in which the pivot is closer to the load than the effort acts as a …?
force magnifier
The equation for a force magnifier
Effort x Effort distance = Load x Load distance
The effort is applied to a wheelbarrow at the …?
handles
The load on a wheelbarrow acts through its …?
centre of gravity
The pivot on a wheelbarrow is at the centre of the …
wheel
If a moment is calculated using a distance in cm, the moment will be in…?
Newton-centimetres (Ncm)
