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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What direction is considered positive for the x-axis?
💡 Hint: Think of the direction you normally write.
Question 2
Easy
Is the positive y-direction upward or downward?
💡 Hint: Consider what direction we usually refer to as 'up'.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the positive x-direction?
- To the left
- Upwards
- To the right
💡 Hint: Think of navigation on a Cartesian plane.
Question 2
Why is it essential to use a sign convention?
- True
- False
💡 Hint: Consider why clear communication is important.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A beam has a downward force of 200N and a counter-clockwise moment of 50Nm. Sketch the free body diagram and indicate the forces and moments using the sign convention.
💡 Hint: Remember to use arrows to indicate the forces and moments clearly.
Question 2
If an engineer misapplies the sign convention in analysis, what steps should they take to correct their calculations?
💡 Hint: Think of the importance of double-checking work for accuracy!
Challenge and get performance evaluation