Lab 2- Practice Exam_ PHYS 1730 Lab Sections - Laboratory in Mechanics (Fall 2019 1)

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University of North Texas, Dallas *

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1730

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Mechanical Engineering

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Feb 20, 2024

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pdf

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14

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10/16/2019 Lab 2- Practice Exam: PHYS 1730 Lab Sections - Laboratory in Mechanics (Fall 2019 1) https://unt.instructure.com/courses/20982/quizzes/99129 1/14 Lab 2- Practice Exam Due No due date Points 30 Questions 30 Time Limit None Allowed Attempts 2 Attempt History Attempt Time Score LATEST Attempt 1 19 minutes 28 out of 30 Submitted Oct 16 at 11:43pm Take the Quiz Again 1 / 1 pts Question 1 In the study of physics certain quantities are specified simply by stating the numerical value of the quantity along with appropriate units. Such quantities are referred to as tensors vectors scalars Correct! Correct! dimensions displacements 1 / 1 pts Question 2
10/16/2019 Lab 2- Practice Exam: PHYS 1730 Lab Sections - Laboratory in Mechanics (Fall 2019 1) https://unt.instructure.com/courses/20982/quizzes/99129 2/14 Which of the following symbol(s) can be used to indicate that a quantity is a vector? always a capital letter bold letter letter with arrow above it B and C Correct! Correct! All of the above 1 / 1 pts Question 3 Vectors are normally represented by curved arrows. True False Correct! Correct! 1 / 1 pts Question 4 When two or more vectors are added together, must they all have the same units? Yes Correct! Correct! No
10/16/2019 Lab 2- Practice Exam: PHYS 1730 Lab Sections - Laboratory in Mechanics (Fall 2019 1) https://unt.instructure.com/courses/20982/quizzes/99129 3/14 1 / 1 pts Question 5 Which of the following quantities is a vector? mass length time volume force Correct! Correct! 1 / 1 pts Question 6 Which of the following types of quantities is NOT a vector? force velocity acceleration speed Correct! Correct! displacement 1 / 1 pts Question 7 A quantity which can be specified by a numerical value coupled with the appropriate units is referred to as:
10/16/2019 Lab 2- Practice Exam: PHYS 1730 Lab Sections - Laboratory in Mechanics (Fall 2019 1) https://unt.instructure.com/courses/20982/quizzes/99129 4/14 Scalar Correct! Correct! Vector Resultant Equilibrant tensor 1 / 1 pts Question 8 A quantity which is specified by a magnitude and direction with the appropriate units is referred to as: Scalar Vector Correct! Correct! Tangent Operator tensor 1 / 1 pts Question 9 The sum of two or more vectors is called: Equilibrant Scalar
10/16/2019 Lab 2- Practice Exam: PHYS 1730 Lab Sections - Laboratory in Mechanics (Fall 2019 1) https://unt.instructure.com/courses/20982/quizzes/99129 5/14 Resultant Correct! Correct! Additive Direction 1 / 1 pts Question 10 A vector which is equal in magnitude to the sum of two or more vectors but opposite in direction is referred to as: Equilibrant Correct! Correct! Resultant Balance Scalar tensor 1 / 1 pts Question 11 Time is not a vector quantity. True Correct! Correct! False 0 / 1 pts Question 12
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