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Engineering Mechanics - General Principles

Exercise : General Principles - General Questions
  • General Principles - General Questions
1.
Solve the following equation for the two roots of x:   x2 — 16 = 0
x = 2i,   –2i
x = 4i,   –4i
x = 4,   –4
x = 2,   –2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.

Using the basic trigonomic functions, determine the length of side AB of the right triangle.
h = 7.07
h = 10
h = 5
h = 14.14
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.

Determine the angle :
= 30°
= 40°
= 60°
= 50°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Solve the following equation for x, y, and z:

x – y + z = –1   –x + y + z = –1   x + 2y – 2z = 5

x = 1,      y = 1,      z = –1
x = 5/3,      y = 7/6,      z = –1/2
x = –2/3,      y = –2/3,      z = –1
x = –1,      y = 1,      z = 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.

Using the basic trigonomic functions, determine the length of side AB of the right triangle.
h = 5.77
h = 11.55
h = 5
h = 8.66
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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