Motion Enigeer Flashcards
1
Q
Speed, distance, time
A
Speed = distance/ time Distance = speed x time Time = distance / speed
2
Q
How many meters in a km
A
1km = 1000m
3
Q
How many seconds in a minute
A
60
4
Q
What are the units of speed
A
M/s
5
Q
What is a moment
A
A turning force
6
Q
How to work out the moment
A
Force x distance
7
Q
3 things to do with levers
A
Pivot, effort, load
8
Q
What direction does does moment act
A
Clockwise or anti-clockwise
9
Q
Principle of moments
A
When in equilibrium (Balanced) the Clockwise Moment is equal to the Anti-clockwise moment about the pivot.
Fd (CWM) = Fd (ACWM)
10
Q
Gears
A
Gears transfer the speed, direction and torque of rotating power source.
