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Final Exam in Physics for Engineers

Authored by Minerva Canete

Physics

University

Used 22+ times

Final Exam in Physics for Engineers
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40 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A box suspended by a rope is pulled to one side by a horizontal force. The tension in the rope

is less than before

is unchanged

is greater than before

may be any of the above, depending on how strong the force is

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

When the two vectors are added together, their resultant is a minimum when the angle between them is

0 degrees

45 degrees

90 degrees

180 degrees

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A ship travels 200 km to the south and then 400 km to the west. The ship's displacement from its starting point is

200 km

400 km

450 km

600 km

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

An object is acted on by two forces of 20N each. The angle between the forces is 120 degrees. The resultant force on the object has the magnitude

20 N

28 N

34 N

40 N

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A force F has the components Fx and Fy. The magnitude Fx of the force component in the x-direction is given by

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A car travels at 20 km/hr for 1.5 h, at 30 km/hr for 2.0 hr, and at 40 km/hr for 0.75 hr. The car's average velocity is approximately

19 km/hr

21 km/hr

28 km/hr

30 km/hr

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A car that starts from rest has a constant acceleration of 4 m/s2 . In the first 3s the car travels

6 m

12 m

18 m

72 m

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