What is the primary goal when designing the decorative mobile in the problem?

Equilibrium and Tension in Rods

Interactive Video
•
Physics, Mathematics, Science
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To ensure the mobile is colorful
To use the least number of rods
To maintain equilibrium of forces and torques
To make the mobile lightweight
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main conditions for equilibrium discussed in the video?
Sum of forces is maximum; sum of torques is maximum
Sum of forces is zero; sum of torques is zero
Sum of forces is maximum; sum of torques is zero
Sum of forces is zero; sum of torques is maximum
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the analysis of the bottom rod, what is the weight of object A?
3 Newtons
6 Newtons
9 Newtons
12 Newtons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the tension in string S3 for the bottom rod?
9 Newtons
12 Newtons
3 Newtons
6 Newtons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the middle rod, what is the calculated weight of object B?
6 Newtons
24 Newtons
15 Newtons
9 Newtons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the tension in string S2 for the middle rod?
24 Newtons
6 Newtons
9 Newtons
15 Newtons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the top rod analysis, what is the weight of object C?
8 Newtons
24 Newtons
15 Newtons
6 Newtons
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