Chapter 1

chapter-1-16

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Question 1 of 1

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If two forces of the same magnitude act on an object along the same line, but in opposite directions, the object is said to be _________.

Select the correct answer(s).

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Torque is defined as _______________________________.

Select the correct answer(s).

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the values given below can be classified as either scalar or vector quantities. Examines each value. The write in the blank provided when the quantity is vector. Wire an "S" when the quantity is scalar.

Match the text (click and drag)

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Match the text
V
S
V
S
V
S
V

Click and drag
80 kilogram
15 Newtons at 30 degrees east north
105 mi/hr southwest
25lb/in
25 lb at 60 degree
7m/sec square
30 degrees C

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All fluid can be classified as either _______________________.

Select the correct answer(s).

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If 10 cm cube of substance has a mass of 105 gm, what is it's density?

Select the correct answer(s).

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Explanation

D=105gm/10 cm cube equal to 10.5 gm/cm cube Formula is

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Which of the following is the most complete definition of buoyant force?

Select the correct answer(s).

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A submarine is located at a depth of 100 feet. If a column of sea water one water foot high and one square inch in cross-sectional area weight 0.443lb, What is the pressure exerted by the sea water in the submarine's hull?

Select the correct answer(s).

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597360

300

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A storage tank is filled to a depth of 25 feet with alcohol that weight density of 58.5 lb/ft cube. What is the pressure at the bottom of the tank? What the formula use to solution this problem.

Select the correct answer(s).

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Explanation

P=pwh P=25 X 58.5 lb/ft3 P=1462.5 lb/ft3

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A simple U-tube manometer filled with mercury (pw=0.49 lb/in3) is connected two bottles of gas with pressures. The different in height between the two columns is 14.3 inches. What is the differences in pressure the two bottles of gas? (Remember= p=pwh)

Select the correct answer(s).

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When the value is opened between the two tanks shown here, in which direction will the fluid move

Select the correct answer(s).

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A column of air that extends from sea level to the edge outer space and has a cross-sectional area of one square inch ________________.

Select the correct answer(s).

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If the density of a substance is 0.9 gm/cm3, and water has a density of 1.0 gm/cm3, the specific gravity of the substance is _____________

Fill in the blanks

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.9 gm/cm3

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7. The U-tube-manometer and spring scale are analogous measurement devices. The spring scale measures _. The U-tube manometer measure the___. In the spring scale, a spring will starch a given number of inches for each pound of forces applied. In the U-tube manometer, the height of the columns of mercury will change a given number of inches for each unit of .

Fill in the blanks

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6. A tire pressure gage measures air pressure in a 10-speed bicycle tire to be 55 lb/in2 . Atmospheric pressure is 14.7 lb/in2. The absolute pressure of air in the tire is _lb/in2. The gage pressure of air in the tire is _ lb/in2.

Fill in the blanks

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597377

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Match the following atmospheric value with it's respective system of units A. English B. SI

Match the text (click and drag)

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Match the text
B. SI
A English

Click and drag
760 mm mercury
14.7 lb/in2

Chapter 1

Question 1 of 1

Time Left

If two forces of the same magnitude act on an object along the same line, but in opposite directions, the object is said to be _________.

Select the correct answer(s).

(0/0)

Torque is defined as _______________________________.

Select the correct answer(s).

(0/0)

the values given below can be classified as either scalar or vector quantities. Examines each value. The write in the blank provided when the quantity is vector. Wire an "S" when the quantity is scalar.

Match the text (click and drag)

(0/0)

V

S

V

S

V

S

V

80 kilogram

15 Newtons at 30 degrees east north

105 mi/hr southwest

25lb/in

25 lb at 60 degree

7m/sec square

30 degrees C

All fluid can be classified as either _______________________.

Select the correct answer(s).

(0/0)

If 10 cm cube of substance has a mass of 105 gm, what is it's density?

Select the correct answer(s).

(0/0)

Explanation

Which of the following is the most complete definition of buoyant force?

Select the correct answer(s).

(0/0)

A submarine is located at a depth of 100 feet. If a column of sea water one water foot high and one square inch in cross-sectional area weight 0.443lb, What is the pressure exerted by the sea water in the submarine's hull?

Select the correct answer(s).

(0/0)

A storage tank is filled to a depth of 25 feet with alcohol that weight density of 58.5 lb/ft cube. What is the pressure at the bottom of the tank? What the formula use to solution this problem.

Select the correct answer(s).

(0/0)

Explanation

A simple U-tube manometer filled with mercury (pw=0.49 lb/in3) is connected two bottles of gas with pressures. The different in height between the two columns is 14.3 inches. What is the differences in pressure the two bottles of gas? (Remember= p=pwh)

Select the correct answer(s).

(0/0)

When the value is opened between the two tanks shown here, in which direction will the fluid move

Select the correct answer(s).

(0/0)

A column of air that extends from sea level to the edge outer space and has a cross-sectional area of one square inch ________________.

Select the correct answer(s).

(0/0)

If the density of a substance is 0.9 gm/cm3, and water has a density of 1.0 gm/cm3, the specific gravity of the substance is _____________

Fill in the blanks

(0/0)

Fill in the blanks

(0/0)

6. A tire pressure gage measures air pressure in a 10-speed bicycle tire to be 55 lb/in2 . Atmospheric pressure is 14.7 lb/in2. The absolute pressure of air in the tire is _______lb/in2. The gage pressure of air in the tire is _______ lb/in2.

Fill in the blanks

(0/0)

Match the following atmospheric value with it's respective system of units A. English B. SI

Match the text (click and drag)

(0/0)

B. SI

A English

760 mm mercury

14.7 lb/in2

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6. A tire pressure gage measures air pressure in a 10-speed bicycle tire to be 55 lb/in2 . Atmospheric pressure is 14.7 lb/in2. The absolute pressure of air in the tire is _lb/in2. The gage pressure of air in the tire is _ lb/in2.