Question 1

Which has more influence on a moving object's momentum?

Accepted Answer

A) the object's mass 
B) the object's velocity 
C) both mass and velocity 
D) none of the above 
A) the object's mass 
B) the object's velocity 
C) both mass and velocity 
D) none of the above

Question 2

$$\text { A } 600 \mathrm {~kg} \text { car has a momentum of } 18000 ~ { \mathrm { kg } \cdot m } / \mathrm { s } \text {. How fast is the car moving? }$$

Accepted Answer

The answer of \[\text { A } 600 \mathrm {~kg}...

Question 3

A roll of aluminum foil from the grocery store is 30 cm wide by 25 m long (if you unroll it). If the roll of foil has a mass of 3 kg and the density of aluminum is $2700 ~ { \mathrm { kg } / \mathrm { m } ^ { 3 } }$ , what is the
Thickness of the aluminum foil? a. $0.05 \mathrm {~mm}$
b. $0.1 \mathrm {~mm}$
c. $0.15 \mathrm {~mm}$
d. $0.2 \mathrm {~mm}$

Accepted Answer

The answer of A roll of aluminum foil from the...

Question 4

The ratio of an object's weight to its volume is

Accepted Answer

A) density 
B) specific volume 
C) specific gravity 
D) specific weight 
A) density 
B) specific volume 
C) specific gravity 
D) specific weight

Question 5

Specific weight is a fundamental dimension.

Accepted Answer

A) True 
 B)False

Question 6

A roll of aluminum foil from the grocery store is 30 cm wide by 25 m long (if you unroll it). If the foil is 0.15 mm thick, and the specific weight of aluminum is $26460 \mathrm {~N} / \mathrm { m } ^ { 3 }$ , how much does
The roll of aluminum foil weigh? a. $142884 \mathrm {~N}$
b. $4900 \mathrm {~N}$
c. $0.03 \mathrm {~N}$
d. $30 \mathrm {~N}$

Accepted Answer

The answer of A roll of aluminum foil from the...

Question 7

The SI unit for specific volume is a. $g / \mathrm { cm } ^ { 3 }$
b. $\mathrm { ml } / \mathrm { g }$
c. $\mathrm { kg } / \mathrm { liter }$
d. $m ^ { 3 } / \mathrm { kg }$

Accepted Answer

The answer of The SI unit for specific volume is...

Question 8

Specific gravity is a fundamental dimension.

Accepted Answer

A) True 
 B)False

Question 9

While filling up your car with gasoline, you notice that it takes 2 minutes to dispense 60 liters of gasoline.What is the mass flow rate if water has a density of $1000 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }$ and gasoline has a
Specific gravity of 0.72? a. $3.6 \mathrm {~kg} / \mathrm { s }$
b. $0.36 \mathrm {~kg} / \mathrm { s }$
c. $60 \mathrm {~kg} / \mathrm { s }$
d. $6000 \mathrm {~kg} / \mathrm { s }$

Accepted Answer

The answer of While filling up your car with gasoline,...

Question 10

A roll of aluminum foil from the grocery store is 30 cm wide by 25 m long (if you unroll it). If the foil is 0.15 mm thick, and the density of aluminum is $2700 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }$ , what is the mass of the roll
Of aluminum foil? a. $14,580 \mathrm {~kg}$
b. $500 \mathrm {~kg}$
c. $3 \mathrm {~kg}$
d. $0.3 \mathrm {~kg}$

Accepted Answer

The answer of A roll of aluminum foil from the...

Question 11

Which of the following statements best describes what mass is?

Accepted Answer

A) Mass is the amount of space something occupies. 
B) Mass is resistance to acceleration. 
C) Mass describes how heavy something is. 
D) Mass describes how massive something is. 
A) Mass is the amount of space something occupies. 
B) Mass is resistance to acceleration. 
C) Mass describes how heavy something is. 
D) Mass describes how massive something is.

Question 12

When a spinning ice skater pulls her arms inward, her angular velocity

Accepted Answer

A) .increases 
B) decreases 
C) remains the same 
A) .increases 
B) decreases 
C) remains the same

Question 13

The physical quantity of momentum is a vector quantity (has direction).

Accepted Answer

A) True 
 B)False

Question 14

The ratio of an object's density to the density of water is

Accepted Answer

A) density 
B) specific volume 
C) specific gravity 
D) specific weight 
A) density 
B) specific volume 
C) specific gravity 
D) specific weight

Question 15

The Earth has a mass of $5.98 \times 10 ^ { 24 } \mathrm {~kg}$ and an average radius of $6.37 \times 10 ^ { 6 } \mathrm {~m}$ .What is the density of the Earth? $$\text { a. } 3500 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }$$ b. $5500 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }$
c. $7500 \mathrm {~kg} / \mathrm { m } ^ { 3 }$
d. $10000 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }$

Accepted Answer

The answer of The Earth has a mass of \(5.98...

Question 16

A block of unknown metal has dimensions: $1 \mathrm {~cm} \times 1 \mathrm {~cm} \times 3 \mathrm {~cm} \text {. The block's mass is } 27 \mathrm {~g}$ . What is the density of the block? a. $9 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }$
b. $90 \mathrm {~kg} / \mathrm { m } ^ { 3 }$
c. $900 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }$
d. $9000 \mathrm {~kg} / \mathrm { m } ^ { 3 }$

Accepted Answer

The answer of A block of unknown metal has dimensions:...

Question 17

The amount of mass that flows through something per unit of time is called

Accepted Answer

A) mass moment of inertia 
B) volumetric flow rate 
C) mass flow rate 
D) none of the above 
A) mass moment of inertia 
B) volumetric flow rate 
C) mass flow rate 
D) none of the above

Question 18

Inertia is a fundamental dimension.

Accepted Answer

A) True 
 B)False

Question 19

A block of unknown metal has dimensions: $1 \mathrm {~cm} ^ { \times } 1 \mathrm {~cm} ^ { \times } 3 \mathrm {~cm}$ .The block's density is $80000 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }$ .What is the mass of the block?

Accepted Answer

A) 24g 
B) 240g 
C) 2.4kg 
D) 24kg 
A) 24g 
B) 240g 
C) 2.4kg 
D) 24kg

Question 20

Momentum is a fundamental dimension.

Accepted Answer

A) True 
 B)False

Which has more influence on a moving object's momentum?

$\text { A } 600 \mathrm {~kg} \text { car has a momentum of } 18000 ~ { \mathrm { kg } \cdot m } / \mathrm { s } \text {. How fast is the car moving? }$

The ratio of an object's weight to its volume is

Specific weight is a fundamental dimension.

The SI unit for specific volume is a. $g / \mathrm { cm } ^ { 3 }$ b. $\mathrm { ml } / \mathrm { g }$ c. $\mathrm { kg } / \mathrm { liter }$ d. $m ^ { 3 } / \mathrm { kg }$

Specific gravity is a fundamental dimension.

Which of the following statements best describes what mass is?

When a spinning ice skater pulls her arms inward, her angular velocity

The physical quantity of momentum is a vector quantity (has direction).

The ratio of an object's density to the density of water is

The amount of mass that flows through something per unit of time is called

Inertia is a fundamental dimension.

A block of unknown metal has dimensions: $1 \mathrm {~cm} ^ { \times } 1 \mathrm {~cm} ^ { \times } 3 \mathrm {~cm}$ .The block's density is $80000 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }$ .What is the mass of the block?

Momentum is a fundamental dimension.

Introduction to the Engineering Profession

Preparing for an Engineering Career

Introduction to Engineering Design

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Engineering Ethics

Fundamental Dimensions and Units

Length and Length-Related Parameters

Time and Time-Related Parameters

Force and Force-Related Parameters

Temperature and Temperature-Related Parameters Temperature As a Fundamental Dimension

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Exam 9: Mass and Mass-Related Parameters

Which has more influence on a moving object's momentum?

The ratio of an object's weight to its volume is

Specific weight is a fundamental dimension.

The SI unit for specific volume is a. g/cm3g / \mathrm { cm } ^ { 3 }g/cm3 b. ml/g\mathrm { ml } / \mathrm { g }ml/g c. kg/liter\mathrm { kg } / \mathrm { liter }kg/liter d. m3/kgm ^ { 3 } / \mathrm { kg }m3/kg

Specific gravity is a fundamental dimension.

Which of the following statements best describes what mass is?

When a spinning ice skater pulls her arms inward, her angular velocity

The physical quantity of momentum is a vector quantity (has direction).

The ratio of an object's density to the density of water is

The amount of mass that flows through something per unit of time is called

Inertia is a fundamental dimension.

A block of unknown metal has dimensions: 1 cm×1 cm×3 cm1 \mathrm {~cm} ^ { \times } 1 \mathrm {~cm} ^ { \times } 3 \mathrm {~cm}1 cm×1 cm×3 cm .The block's density is 80000 kg/m380000 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }80000 kg/m3 .What is the mass of the block?

Momentum is a fundamental dimension.

Introduction to the Engineering Profession

Preparing for an Engineering Career

Introduction to Engineering Design

Engineering Communication

Engineering Ethics

Fundamental Dimensions and Units

Length and Length-Related Parameters

Time and Time-Related Parameters

Force and Force-Related Parameters

Temperature and Temperature-Related Parameters Temperature As a Fundamental Dimension

Electric Current and Related Parameters

Energy and Power

Electronic Spreadsheets

Matlab

Engineering Drawings and Symbols

Engineering Materials

Mathematics in Engineering

Probability and Statistics in Engineering

Engineering Economics

Filters

The SI unit for specific volume is a. $g / \mathrm { cm } ^ { 3 }$ b. $\mathrm { ml } / \mathrm { g }$ c. $\mathrm { kg } / \mathrm { liter }$ d. $m ^ { 3 } / \mathrm { kg }$

A block of unknown metal has dimensions: $1 \mathrm {~cm} ^ { \times } 1 \mathrm {~cm} ^ { \times } 3 \mathrm {~cm}$ .The block's density is $80000 ~ { \mathrm { kg } } / \mathrm { m } ^ { 3 }$ .What is the mass of the block?