Moments and Levers - WS - L15 - PHY
Authored by Kabeer Asim
Mathematics
Professional Development
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8 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
With a gear, the output speed can be reduced while the torque is ________.
increased
decreased
remains steady
returns to zero
2.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Is the lever balanced? If not, how would it move?
Yes
No, tips to the left
No, tips to the right
No, tips sideways
3.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Find the missing force on the displayed balanced lever.
3N
45N
12N
5N
4.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
What is the direction of motion of this lever?
Clockwise
Anticlockwise
Right
Backward
5.
MULTIPLE SELECT QUESTION
3 mins • 2 pts
A uniform rod AB has length 1.5 m and mass 8 kg. A particle of mass m kg is attached to the rod at B. The rod is supported at the point C, where AC = 0.9 m, and the system is in equilibrium with AB horizontal, as shown in the diagram. What is the mass m?
2kg
14.4N
1kg
6kg
6.
DROPDOWN QUESTION
3 mins • 1 pt
Gears can be used to (a) the direction of rotation.
reverse
stop
slightly change
repeat
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
True or False: Gears increase the speed of rotation.
True
False
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