System Engineeering SAC Revision Flashcards
Study?
1
Q
Efficiency = ?
A
( Useful Energy Output/Useful Energy Input ) x 100
2
Q
Efficiency total = ?
A
Efficiency 1 x Efficiency 2
3
Q
Force = ?
A
Mass x Acceleration
4
Q
Force due to gravity mass = ?
A
Mass x Acceleration due to gravity mass
5
Q
Power = ?
A
Work/Time
6
Q
Work Done = ?
A
force in direction moved × distance
7
Q
Torque = ?
A
twisting force × perpendicular distance to pivot point
8
Q
Moment = ?
A
force × perpendicular distance to pivot point
9
Q
Balancing Torques = ?
A
F1d1 = F2d2
10
Q
Pressure = ?
A
Force / Area
11
Q
Speed = ?
A
Distance/Time
12
Q
Gear Ratio Final = ?
A
gear ratio 1 × gear ratio 2 g
13
Q
Mechanical Advantage = ?
A
load / effort
14
Q
gear or pulley ratio = ?
A
speed of driver (rpm)/ speed of driven (rpm)
15
Q
Gear Rpm = ?
A
Gear A rpm/Gear B rpm= Gear B number of teeth/Gear A number of teeth
