1. Each wheel of a four -wheeled rear engine automobile has a moment of inertia of 2.4 kg.m? and an effective diameter of 660 mm. The rotating parts of the engine have a moment of inertia of 1.2 kg.m?. The gear ratio of engine to the back wheel is 3:1. The engine axis is parallel to the rear axle and the crankshaft rotates in the same sense as the road wheels. The mass of the vehicle is 2200 kg and the center of mass is 550 mm above the road level. The track width of the vehicle 1.5 m. Determine the limiting speed of the vehicle around a curve with 80 m radius so that all the four wheels maintain contact with the road surface.

1. Each wheel of a four -wheeled rear engine automobile has a moment of inertia of 2.4 kg.m? and an effective diameter of 660 mm. The rotating parts of the engine have a moment of inertia of 1.2 kg.m?. The gear ratio of engine to the back wheel is 3:1. The engine axis is parallel to the rear axle and the crankshaft rotates in the same sense as the road wheels. The mass of the vehicle is 2200 kg and the center of mass is 550 mm above the road level. The track width of the vehicle 1.5 m. Determine the limiting speed of the vehicle around a curve with 80 m radius so that all the four wheels maintain contact with the road surface.

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

Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.

Question

1. Each wheel of a four –wheeled rear engine automobile has a moment of inertia of 2.4
kg.m? and an effective diameter of 660 mm. The rotating parts of the engine have a
moment of inertia of 1.2 kg.m?. The gear ratio of engine to the back wheel is 3:1. The
engine axis is parallel to the rear axle and the crankshaft rotates in the same sense as the
road wheels. The mass of the vehicle is 2200 kg and the center of mass is 550 mm above
the road level. The track width of the vehicle 1.5 m. Determine the limiting speed of the
vehicle around a curve with 80 m radius so that all the four wheels maintain contact with
the road surface.
Fc
30
5 kg
t* 40mm
25kg
Take: N2 = 895 |
mg+(Mg+f)
mg
and
N2
: 895
mg + (Mg-f)

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