6. A force of 20 Newtons is applied to an object at an angle of -35° with the horizontal. The object is pulled 10 meters at an angle of 25". How much work is done while moving the object? To carry a 100-pound cylindrical weight, two workers lift on the ends of short ropes tied to an eyelet on the top center of the cylinder. One rope makes a 20° angle away from the vertical and the other makes a 30° angle (see figure on page 757). 20° 30°F

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Chapter1: Units, Trigonometry. And Vectors
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NAME:
5.
6.
ID:
BLOCK:
DATE:
A force of 20 Newtons is applied to an object at an angle of -35° with the horizontal. The object is
8.
pulled 10 meters at an angle of 25°. How much work is done while moving the object?
To carry a 100-pound cylindrical weight, two workers lift on the ends of short ropes tied to an eyelet on
the top center of the cylinder. One rope makes a 20° angle away from the vertical and the other makes a
30° angle (see figure on page 757).
NAME:
7.
F₂
20
30⁰ F₁
100 lb
3 of 4
a. Find each rope's tension when the resultant force is vertical.
b. Find the vertical component of each worker's force.
ID:
BLOCK:
DATE:
A ship leaves port on a bearing of 28° and travels 7.5 miles. The ship then turns due east and travels 4.1
miles. How far is the ship from the port and what is its bearing?
A plane flies at a constant groundspeed of 400 miles per hour due cast and encounters a 50-mile-per-
hour wind from the northwest. Find the airspeed and compass direction that will allow the plane to
maintain its groundspeed and eastward direction.
Transcribed Image Text:NAME: 5. 6. ID: BLOCK: DATE: A force of 20 Newtons is applied to an object at an angle of -35° with the horizontal. The object is 8. pulled 10 meters at an angle of 25°. How much work is done while moving the object? To carry a 100-pound cylindrical weight, two workers lift on the ends of short ropes tied to an eyelet on the top center of the cylinder. One rope makes a 20° angle away from the vertical and the other makes a 30° angle (see figure on page 757). NAME: 7. F₂ 20 30⁰ F₁ 100 lb 3 of 4 a. Find each rope's tension when the resultant force is vertical. b. Find the vertical component of each worker's force. ID: BLOCK: DATE: A ship leaves port on a bearing of 28° and travels 7.5 miles. The ship then turns due east and travels 4.1 miles. How far is the ship from the port and what is its bearing? A plane flies at a constant groundspeed of 400 miles per hour due cast and encounters a 50-mile-per- hour wind from the northwest. Find the airspeed and compass direction that will allow the plane to maintain its groundspeed and eastward direction.
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