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

See similar textbooks

Similar questions

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 F1 50° 1) What is the amount of work produced by force (F1)? a) 35.3 J b) 44.1 J 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
ا من ۱ A ball of weight 120 N rests in a right angled groove as shown in Fig. The sides of the groove are inclined at an angle of 30° and 60" to the horizontal If all the surfaces are smooth, the reaction R, is given by V. TT 120 N 30° B 60° 1) 60 N 3) 30 N 2) 120 N 4) 103.92 N temeter 100 cm Ganessh G@NU 20:14 äc luJI 21.03.11 ...
A gas-filled piston-cylinder unit with volume 2 m³ compressed and pressure 100 kpa. On the piston page. An nika constant spring of 200 kN/m . The units are then heated and Causes the volume of gas to increase to three times the volume of the original, which is pressing Springs. If it is known the surface area of the unit is 0.3 m² radius, a). The final pressure in the cylinder B) A work done with gas c) A work done with springs
20 Ibf 02) Given the figure attached, Determine the following: 200 kg 250 N 1) What is magnitude of R and Cr in pt D? 20 kN pr (Unit must be in N and kN-m) 2) What is the magnitude of R and Cr in pt В? A 2 FT 200 kg (Unit must be in N and kN-m) 3) Unit Vector of R in the system. 4) Direct Cosines of Cr in pt D.
20 ibf 02) Given the figure attached, Determine the following: 200 kg 250 N 1) What is magnitude of R and Cr in pt D? 20 KN pr (Unit must be in N and kN-m) 2) What is the magnitude of R and Cr in pt B? 2 FT 200 kg (Unit must be in N and kN-m) 3) Unit Vector of R in the system. 4) Direct Cosines of Cr in pt D.
In the following figure, we have a disk that has a force of 9.0 N. applied. The diameter of the disk is 0.120 m and its mass is 50 kg. The moment of inertia of the disk is: a) 3.00 kg m2 b) 0.54 kg m2 c) 0.09 kg m2 d) None of the above
F1 S N F2 13 N Figure 1 F4 22 kN E :30° FS 4 kN In figure 1, find the followings: 1] What is the resultant moment of the five forces acting on the rod about point A? a) 3.5 kN.m b) 16.2 kN.m c) 20.2 kN.m d) 11.5 kN.m e) 33.1 kN.m f) 8.1 kN.m g) None of them 21 What is the resultant moment of the five forces acting on the rod about point C? a) 47.5 kN.m b) 55.5 kN.m c) 12.2 kN.m d) 61.9 kN.m e) 79.1 kN.m f) 44.1 kN.m g) None of them 31 What is the moment of the force Fl about point E? a)- 22.8 kN.m b) - 49.5 kN.m c) - 55.9 kN.m d) - 9.1 kN.m e) - 12.7 kN.m f)- 25.9 kN.m g) None of them 41 What is the moment of the force F2 about point D? a) 40.5 kN.m b) 71.5 kN.m c) 14.2 kN.m d) 64.5 kN.m e) 56.1 kN.m f) 39.1 kN.m g) None of them
5. The coefficient of linear expansion of steel is 12 x 10-/C°. A railroad track is made of individual rails of steel 1.0 km in length. By what length would these rails change between a cold day when the temperature is -10 °C and a hot day at 30 °C? A) 0.62 cm B) 24 cm c) 48 cm Dj 480 cm E) 620 cm 6. A circular hole in an copper plate is 2.925 cm in diameter at 20.0 °C. What is the diameter of the hole if the temperature of the plate is raised to 120.0 °C? The coefficient of linear expansion of copper is 17 x 10-6/C°. A) 2.925 cm B) 2.929 cm C) 2.933 cm D) 2.957 cm E) 2.988 cm
F1-5 kN F2 13 N 3-4N 4m Figure 1 m F4 22 kN E a-30 FS =4 kN In figure 1, find the followings: 1] What is the resultant moment of the five forces acting on the rod about point A? a) 3.5 kN.m b) 16.2 kN.m c) 20.2 kN.m d) 11.5 kN.m e) 33.1 kN.m ) 8.1 kN.m g) None of them 21 What is the resultant moment of the five forces acting on the rod about point C? a) 47.5 kN.m b) 55.5 kN.m c) 12.2 kN.m d) 61.9 kN.m e) 79.1 kN.m f) 44.1 kN.m g) None of them 3] What is the moment of the force F1 about point E? a)-22.8 kN.m b) - 49.5 kN.m c) - 55.9 kN.m d) - 9.1 kN.m e) - 12.7 kN. m f) - 25.9 kN.m g) None of them 41 What is the moment of the force F2 about point D? a) 40.5 kN.m b) 71.5 kN.m c) 14.2 kN.m d) 64.5 kN.m e) 56.1 kN.m f) 39.1 kN.m g) None of them 5) What is the moment of the force F5 about point A? a)-17.8 kN.m b)- 4.8 kN.m c)-12.9 kN.m d)-8.1 kN.m e) - 32.7 kN.m )-2.9 kN.m g) None of them
A rod of length L and mass M is fixed so that it can rotate around point O. As shown in the figure, if another rod of l = 6 (m) perpendicular to the ground is pulled to the right with a constant velocity v = 3 (m/s), what is the angular velocity (rad/s) of L rod at t = 2 (s)? M A) 0.48 B) 0.50 С) 0.15 D) 0.25 E) 0.17
Three identical blocks are accelerated as shown in the figure. All surfaces are frictionless and pulleys are massless. If a= 6 (m/s²) and a.= 2 (m/s²), find the acceleration of block B in (m/s²)? ac. А B A) 1 В) 2 С) 0.5 D) 1.5 E) 2.5
ols Mathematical Mod. x n / 31 • Exercise: Obtain the equivalent stiffness for the following spring networks. kl i) ► xl x2 www twww k3 k2 kl ww. x2 k3 wwwww k2 i) F ype here to search