In figure (1), the block moves upward from position (A) to (B) though the distance (d = 2.5 m). Take (F1 = 22 N, F2 = 46 N, F3 = 58 N). d 2.5 m %3D 20° 50 Figure (1) F2 1) What is the amount of work produced by force (F1)? a) 35.3 J b) 44.1J c) 17.2 J d) 49.3 J e) 91.9 J f) 39.3 J g) None of them 2) What is the total amount of work produced by the three forces? a) 2.59 J b) 15.34 J c) 7.42 J d) 3.98 J e) 11.71 J f) 28.72 J g) None of them In figure (2), the friction coefficient between the crate and truck top surface is (0.5). If the truck initially moves at a speed of 50 km/hr. Figure (2) 3) What is the minimum stopping distance that the truck can have with constant acceleration? a) 8.2 m b) 64.2 m c) 35.3 m d) 22.5 m e) 54.9 m f) 19.7 m g) None of them F= 500 N In figure (3), a spring of stiffness (K = 500 N/m) is placed against the 25 kg block. If the block is subjected to the force of F = 500 N. 500 N/m Figure (3) 4) When s = 0, the block is at rest and the spring is uncompressed. What is the velocity at s = 0.7 m? a) 7.9 m/s e) 3.5 m/s b)1.6 m/s f) 4.2 m/s c) 5.2 m/s g) None of them d) 9.8 m/s
In figure (1), the block moves upward from position (A) to (B) though the distance (d = 2.5 m). Take (F1 = 22 N, F2 = 46 N, F3 = 58 N). d 2.5 m %3D 20° 50 Figure (1) F2 1) What is the amount of work produced by force (F1)? a) 35.3 J b) 44.1J c) 17.2 J d) 49.3 J e) 91.9 J f) 39.3 J g) None of them 2) What is the total amount of work produced by the three forces? a) 2.59 J b) 15.34 J c) 7.42 J d) 3.98 J e) 11.71 J f) 28.72 J g) None of them In figure (2), the friction coefficient between the crate and truck top surface is (0.5). If the truck initially moves at a speed of 50 km/hr. Figure (2) 3) What is the minimum stopping distance that the truck can have with constant acceleration? a) 8.2 m b) 64.2 m c) 35.3 m d) 22.5 m e) 54.9 m f) 19.7 m g) None of them F= 500 N In figure (3), a spring of stiffness (K = 500 N/m) is placed against the 25 kg block. If the block is subjected to the force of F = 500 N. 500 N/m Figure (3) 4) When s = 0, the block is at rest and the spring is uncompressed. What is the velocity at s = 0.7 m? a) 7.9 m/s e) 3.5 m/s b)1.6 m/s f) 4.2 m/s c) 5.2 m/s g) None of them d) 9.8 m/s
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
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Transcribed Image Text:In figure (1), the block moves upward from position (A) to (B) though
the distance (d 2.5 m). Take (F1 = 22 N, F2 = 46 N, F3 58 N).
:d= 2.5 m
F3
200
Figure (1)
F2
1) What is the amount of work produced by force (F1)?
a) 35.3 J
b) 44.1J
c) 17.2 J
d) 49.3 J
e) 91.9 J
f) 39.3 J
g) None of them
2) What is the total amount of work produced by the three forces?
a) 2.59 J
b) 15.34 J
c) 7.42 J
d) 3.98 J
e) 11.71 J
f) 28.72 J
g) None of them
In figure (2), the friction coefficient between the crate and truck top surface
is (0.5). If the truck initially moves at a speed of 50 km/hr.
Figure (2)
3) What is the minimum stopping distance that the truck can have with constant acceleration?
a) 8.2 m
b) 64.2 m
c) 35.3 m
d) 22.5 m
e) 54.9 m
f) 19.7 m
g) None of them
F = 500 N
In figure (3), a spring of stiffness (K = 500 N/m) is placed against
the 25 kg block. If the block is subjected to the force of F 500 N.
k= 500 N/m
Figure (3)
4) When s = 0, the block is at rest and the spring is uncompressed. What is the velocity at s = 0.7 m?
a) 7.9 m/s
e) 3.5 m/s
b)1.6 m/s
f) 4.2 m/s
c) 5.2 m/s
g) None of them
d) 9.8 m/s
...........
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