Q9. Mass moment of inertia of a body is always_ (A) zero (B) a negative quantity (C) a positive quantity (D) None of the above Q10. To spin faster, a skater can develop a large amount of angular momentum by (A) extending her arm (B) drawing in her arm (C) flapping her arm (D) doing nothing Q11. Eccentric impact occurs when the line connecting the mass centers of the two bodies with the line of impact. (A) coincide (B) does not coincide (C) is parallel (D) is perpendicular

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Figure 2
G
0.75 m
A
В
2 m
1.5 m
Figure 2 shows a 2000 kg lorry with a center of mass at G. Starting from rest, the lorry achieves
a speed of 15 m/s under a constant acceleration after it has traveled 100 m. The front wheels are
free to roll.
Transcribed Image Text:Figure 2 G 0.75 m A В 2 m 1.5 m Figure 2 shows a 2000 kg lorry with a center of mass at G. Starting from rest, the lorry achieves a speed of 15 m/s under a constant acceleration after it has traveled 100 m. The front wheels are free to roll.
Q9.
Mass moment of inertia of a body is always_
(A) zero
(B) a negative quantity
(C) a positive quantity
(D) None of the above
Q10. To spin faster, a skater can develop a large amount of angular momentum by
(A) extending her arm
(B) drawing in her arm
(C) flapping her arm
(D) doing nothing
Q11. Eccentric impact occurs when the line connecting the mass centers of the two bodies
with the line of impact.
(A) coincide
(B) does not coincide
(C) is parallel
(D) is perpendicular
Transcribed Image Text:Q9. Mass moment of inertia of a body is always_ (A) zero (B) a negative quantity (C) a positive quantity (D) None of the above Q10. To spin faster, a skater can develop a large amount of angular momentum by (A) extending her arm (B) drawing in her arm (C) flapping her arm (D) doing nothing Q11. Eccentric impact occurs when the line connecting the mass centers of the two bodies with the line of impact. (A) coincide (B) does not coincide (C) is parallel (D) is perpendicular
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