Moments Flashcards
1
Q
What is a moment?
A
The force behind a turning effect
2
Q
What does the strength of a turning force depend on?
A
The size of the force
The distance from the pivot
3
Q
How can you increase the moment?
A
By increasing the distance (eg: using a lever)
Pushing at right angles to the spanner
4
Q
What is the equation to work out the moment (with units)?
A
Moment (N m) = force (N) x distance normal to the direction of the force (m)
5
Q
What I s the principle of Moments?
A
The sum of clockwise moments = sum of anti-clockwise moments
6
Q
What kind of objects does the principle of moments apply to?
A
Objects in equilibrium.
7
Q
The larger the gear the ? it spins
A
Slower
