5. The coefficient of static friction between the flat bed of the truck and the crate it carries as shown in Figure 5 is 4g = 0.30. (a) Set up the appropriate global axes system and draw the free body, kinematic and kinetic diagrams of the crate on the bed. (b) Determine the maximum acceleration amax and hence the maximum velocity Vmax which the truck can acquire from rest in a distance of 50m up a 10-percent grade if the crate is not to slip backward. (c) If the truck was travelling on a horizontal road with the maximum speed you have determined in part (a) above, would the minimum stopping distance be different than 50 m as given above if the crate is not to slip? Give a brief engineering explanation in support of your answer.

5. The coefficient of static friction between the flat bed of the truck and the crate it carries as shown in Figure 5 is 4g = 0.30. (a) Set up the appropriate global axes system and draw the free body, kinematic and kinetic diagrams of the crate on the bed. (b) Determine the maximum acceleration amax and hence the maximum velocity Vmax which the truck can acquire from rest in a distance of 50m up a 10-percent grade if the crate is not to slip backward. (c) If the truck was travelling on a horizontal road with the maximum speed you have determined in part (a) above, would the minimum stopping distance be different than 50 m as given above if the crate is not to slip? Give a brief engineering explanation in support of your answer.

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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Concept explainers

Forced undamped vibrations

In mechanical engineering, vibration is expressed as the term that occurs due to an object's backward and forward movement about a point of equilibrium. Generally, there are three types of vibrations which are,

Question

5. The coefficient of static friction between the flat bed of the truck and the crate it
carries as shown in Figure 5 is µ, = 0.30.
(a) Set up the appropriate global axes system and draw the free body, kinematic and
kinetic diagrams of the crate on the bed.
(b) Determine the maximum acceleration amax and hence the maximum velocity
Vmax which the truck can acquire from rest in a distance of 50m up a 10-percent
grade if the crate is not to slip backward.
(c) If the truck was travelling on a horizontal road with the maximum speed you have
determined in part (a) above, would the minimum stopping distance be different than
50 m as given above if the crate is not to slip? Give a brief engineering explanation
in support of your answer.
10
Figure 5

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