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WorksheetsRobotics
Total questions: 12
Worksheet time: 11mins
Name
Class
Date
1.
Using the picture, which part is being shown?
a)
battery pack
b)
cortex
c)
motor
d)
power
2.
A motor is
a)
output
b)
input
3.
If you connect a motor to the green gear, will the blue gear turn faster or slower than the green gear?
a)
Faster
b)
Slower
4.
What type of gear is this?
a)
Gear Train
b)
Differential Gear
c)
Bevel Gear
d)
Worm Gear
5.
______ convert electrical energy into mechanical energy through the use of electro-magnetic fields and rotating wire coils.
a)
DC Motors
b)
Electromagneticity
c)
Magic
d)
Machines
6.
Looking at the picture, what is the gear ratio?
a)
4:6
b)
6:4
c)
2:3
d)
3:2
7.
Looking at the picture, what is the gear ratio?
a)
4:24
b)
1:6
c)
2:12
d)
1:9
8.
If the small gear is driving the large gear, what is happening to the torque?
a)
Increase
b)
Decrease
c)
Remains constant
d)
Not enough information
9.
What is the unit of Power?
a)
Volt
b)
Ampere
c)
Ohm
d)
Watt
10.
Power is equal to...
a)
Amps X Volts
b)
Watts X Amps
c)
Ohms/ Volts
d)
Work
11.
For determining motor characteristics as voltage varies:
a)
•= Spec Value x (New Voltage / Spec Voltage)
b)
• = Sum of all Motor Free Currents
c)
• = Torque / Distance
d)
• = (Given Motor Current – Free Current) x Stall Torque / (Stall Current – Free Current)
12.
•For determining Motor Rotational Speed at a given Torque Load:
a)
•= ((Stall Current – Free Current) / Stall Torque) x Given Torque Load + Free Current
b)
•= (Given Motor Current – Free Current) x Stall Torque / (Stall Current – Free Current)
c)
•= -(Free Speed / Stall Torque) x Given Torque Load + Free Speed
d)
•= Sum of all Motor Stall Currents
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