MECE 2230U – Statics Midterm Section A Exam 25 Questions and Answers 2025 Complete solution

MECE 2230U – Statics Midterm Section A Exam 25
Midterm Section A
Questions and Answers 2025 Complete solution
Due Oct 2 at 10:45am Points 25 Questions 25
Available Oct 2 at 10am - Oct 2 at 10:45am about 1 hour Time Limit None


Instructions
Instructions for Section A:
Section A is available from 10:00 am to 10:45 am. There are 25 MCQs to be solved in 45 minutes.
Please note: you have one attempt only with no backtracking to solve these MCQs. As soon as you are
done with Section A, you can start Section B.”

This quiz was locked Oct 2 at 10:45am.



Attempt History
Attempt Time Score
LATEST Attempt 1 31 minutes 21 out of 25



Score for this quiz: 21 out of 25
Submitted Oct 2 at 10:31am
This attempt took 31 minutes.


Question 1 pts



If A = { - 30 i + 30 j - 30 k} N and B = {10 i + 40 j + 10 k } N, then A + B
= { ____ } N



10 i + 20 j - 10 k

Correct! -20 i + 70 j – 20 k


50 i + 50 j + 50 k


30 i + 20 j + 30 k

, None of these




Question 2 pts



Four forces act at point A and point A is in equilibrium. Select the correct
force vector P.




orrect Answer {8 i – 12 j – 10 k} lb


None of these.

, ou Answered {-8 i + 12 j + 10 k} lb



{-8 i - 12 j – 10 k} lb




Question 3 pts



Resolve F along x and y axes and write it in vector form. F = {
___________ } N




-250 cos (30°) i + 250 sin (30°) j