Label the arrows to show which girl causes a clockwise turning force and which causes an anticlockwise turning force.
What is the equation for calculating moments?
Moment (Nm) = Force (N) x Distance from Pivot (m)
What is the law of moments?
That when the anticlockwise and clockwise moments are the same, the object is in equilibrium.
A turning force involves a force acting over a certain distance from a _____
A turning force involves a force acting over a certain distance from a pivot.
What is the scientific name for a turning force?
A moment.
Add the labels: pivot, distance and force to the correct spaces.
A balanced see-saw is said to be in…
equilibrium
What is the moment of the man on the right?
moment = force x distance from pivot
moment = 1000N x 0.5m
moment = 500 Nm
What is the momemnt of the girl on the left?
moment = force x distance from pivot
moment = 500N x 1m
moment = 500 Nm
What are the units of a moment (turning force)?
Newton metres (Nm)
or
Newton centimetres (Ncm)
