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Phy Q5- Cartesian Vectors

Authored by Peru Cairo

Science, Physics

University

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Phy Q5- Cartesian Vectors
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the correct Cartesian vector form of vector F if its z-component, x-component and y-component are -3m, 5m and -4m respectively?

(5m)i + (-4m)j + (-3m)k

(-3m)i + (5m)j + (-4m)k

(-3m)i + (-4m)j + (5m)k

(3m)i + (5m)j + (4m)k

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the angle created by vector F,from the x-axis ( 

\alpha  )  , whose x-component, y-component and z-component are (8N)i, (0N)j,  and (-6N)k respectively?

36.9 degrees

90.0 degrees

53.1 degrees

126.9 degrees

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the angle from the y-axis ( β\beta ) created by vector F whose x-component, y-component and z-component are (8N)i, (0N)j,  and (-6N)k respectively?

36.9 degrees

90.0 degrees

53.1 degrees

0.0 degree

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the angle created by vector F, from the z-axis ( γ\gamma ) , whose x-component, y-component and z-component are (8N)i, (0N)j,  and (-6N)k respectively?

36.9 degrees

90.0 degrees

53.1 degrees

126.9 degrees

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the magnitude  vector F whose x-component, y-component and z-component are (8N)i, (0N)j,  and (-6N)k respectively?

3.7 N

14 N

10.0 N

5.3 N

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the z-component along +k direction of vector B if its  magnitude is 100 N , its α is 120° and its β is 45°? 

50 N

-50 N

71 N

0 N

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the angle measured from the y-axis ( β\beta ) that is created by vector D if its α is 21.8° and its β is 77.6°? 

72.4 degrees or 107.6 degrees

1.0 degree or 98.2 degrees

73.9 degrees or 106.1 degrees

67.8 degrees or 112.2 degrees

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