

Pulley System Mechanics and Efficiency
Interactive Video
•
Physics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main topic discussed in the video?
Mathematics
Chemistry
Physics
Biology
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the pulley system described, what is the weight of the load being lifted?
200 newtons
300 newtons
500 newtons
400 newtons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effort applied in the pulley system?
400 newtons
100 newtons
200 newtons
300 newtons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the velocity ratio of the pulley system calculated?
By subtracting the effort from the load
By dividing the load by the effort
By multiplying the load and effort
By counting the number of wheels
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the velocity ratio of the pulley system?
2
1
3
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What formula is used to calculate efficiency?
Effort divided by load
Load divided by effort
Mechanical advantage divided by velocity ratio times 100
Velocity ratio divided by mechanical advantage times 100
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mechanical advantage if the load is 400 newtons and the effort is 300 newtons?
2.00
1.67
1.50
1.33
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