A three wheeled OTV has been designed such that the forces from the wheels and motors are uniform, hence the reaction forces at the point of contact with the upper surface can be modeled as a single vertical reaction support. The platform is a square with side length 200mm and has a thickness of 20mm. Plywood has a density of 0.37 g/cm^3. For the purposes of finding the platform weight, W, ignore any holes in the plywood for motor mounts. Due to a misscommunication in the team, the motor mounts M1, M2, and M3 were not attached symmetrically! The potential consequences of this are a difference in reaction forces at the platform to keep it balanced. This difference in reaction forces will result a different normal force at each wheel, and hence the potential for different traction forces, leading to an inability to drive the OTV straight.

A three wheeled OTV has been designed such that the forces from the wheels and motors are uniform, hence the reaction forces at the point of contact with the upper surface can be modeled as a single vertical reaction support. The platform is a square with side length 200mm and has a thickness of 20mm. Plywood has a density of 0.37 g/cm^3. For the purposes of finding the platform weight, W, ignore any holes in the plywood for motor mounts. Due to a misscommunication in the team, the motor mounts M1, M2, and M3 were not attached symmetrically! The potential consequences of this are a difference in reaction forces at the platform to keep it balanced. This difference in reaction forces will result a different normal force at each wheel, and hence the potential for different traction forces, leading to an inability to drive the OTV straight.

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

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

Subsequently to this construction, the motor MB has failed, the team wants to move the battery to reduce the
friction at the front wheel. What location Y in mm should the battery be placed to make F3/Wtotal = 0.15?
172772
2x0%

A three wheeled OTV has been designed such that the forces from the wheels and motors are uniform, hence
the reaction forces at the point of contact with the upper surface can be modeled as a single vertical reaction
support. The platform is a square with side length 200mm and has a thickness of 20mm. Plywood has a density
of 0.37 g/cm^3. For the purposes of finding the platform weight, W, ignore any holes in the plywood for
motor mounts. Due to a misscommunication in the team, the motor mounts M1, M2, and M3 were not
attached symmetrically! The potential consequences of this are a difference in reaction forces at the platform
to keep it balanced. This difference in reaction forces will result a different normal force at each wheel, and
hence the potential for different traction forces, leading to an inability to drive the OTV straight.
• F₁: (-75,-75)
F₂: (85,-75)
F: (15,85)
P
WEDNE
0
Bottom view
0
M2
A coordinate system has been defined, such that middle of the board is 0,0. In this system the location of the
vertical support forces (in mm) are:
0
The propulsion team has asked the structures team to locate the battery, with mass 443g at y = -10mm, and to
compute an X location for the battery, such that the reaction forces, F1 and F2 are equal. Given these
constraints, find:
112112
Top View
Forces transmitted by motor mounts: FL, 12, 13
Platform weight, W
Battery weight, Wb
N
XI
N
IN
YI
3x0%
F1
3 ***
***

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