1. If no external impressed force acts on the system, the total momentum (G) of a system ........... a. increases b. decreases c. remains constant d. none of the these

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
icon
Related questions
Question
Choose the correct answer of the following questions:
1. If no external impressed force acts on the system, the total momentum (G) of a system ...
c. remains constant
a. increases
b. decreases
d. none of the these
2. Which of the following cases momentum is conserved?
(1 M)
a. Perfectly elastic impact
d. Momentum is always conserved
c. Perfectly inelastic impact
b. plastic impact with 0<e<1
3. A Force of 180 N moves a body in 5 seconds along a straight line according to s = (t - 50t) m, where
s in meter and r in seconds, the mass of the moving particle is:
a. 20.25 kg
b. 15.25 kg
c. 10 kg
d. 6 kg
4. According to the principle of conservation of energy, under the action of . . force, the sum of
potential and kinetic energy of a particle remains constant.
a. dissipative force
b. conservative force
c. frictional force
d. non-conservative force
5. Work-energy principle to be useful in determining the change in the speed of a particle during a
given displacement.
a. True
b. False
6. If the collision is elastic, the kinetic energy before collision is always equal to the kinetic energy after
collision.
a. True
b. False
7. The coefficient of restitution e, between car A and car B is:
a. e = 0.8
b. e = 0.6
c. e = 0.4
d. e = 0
02 mis
Before impact
After impact
8. The linear impulse (I) of the force F= (3() N for t= 4 seconds is:
b. 20 N.m
a. 40 N.m
c. 16 N.m
d. 12 N.m
Transcribed Image Text:Choose the correct answer of the following questions: 1. If no external impressed force acts on the system, the total momentum (G) of a system ... c. remains constant a. increases b. decreases d. none of the these 2. Which of the following cases momentum is conserved? (1 M) a. Perfectly elastic impact d. Momentum is always conserved c. Perfectly inelastic impact b. plastic impact with 0<e<1 3. A Force of 180 N moves a body in 5 seconds along a straight line according to s = (t - 50t) m, where s in meter and r in seconds, the mass of the moving particle is: a. 20.25 kg b. 15.25 kg c. 10 kg d. 6 kg 4. According to the principle of conservation of energy, under the action of . . force, the sum of potential and kinetic energy of a particle remains constant. a. dissipative force b. conservative force c. frictional force d. non-conservative force 5. Work-energy principle to be useful in determining the change in the speed of a particle during a given displacement. a. True b. False 6. If the collision is elastic, the kinetic energy before collision is always equal to the kinetic energy after collision. a. True b. False 7. The coefficient of restitution e, between car A and car B is: a. e = 0.8 b. e = 0.6 c. e = 0.4 d. e = 0 02 mis Before impact After impact 8. The linear impulse (I) of the force F= (3() N for t= 4 seconds is: b. 20 N.m a. 40 N.m c. 16 N.m d. 12 N.m
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Applied Fluid Mechanics
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Elements Of Electromagnetics
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY