1.25 m 0.3 m 0.25 m 0.5 m 0.25 m B 0.15 m 0.75 m 1.5 m Figure 3 The loader has a mass of 1.18 metric ton, and its centre of mass is at G1. The loader is sliding down on a muddy incline of angle 0 =20°. The kinetic friction coefficient is Hk =0.15 and the driver uses the brakes on both pair of wheels. Model the digger as one rigid body. Assume g=10 m/s². Provide all handwritten steps of your solution; include diagrams and coordinate systems. a, Find the acceleration of the loader, which does not have loading in the bucket. Justify your assumptions and check for consistency within your solution. Include a free-body diagram in your working. 5. Now, the scenario changes. The loader has soil in the bucket with the mass 210 kg at G2, which is assumed to be a point mass. Determine the new centre of gravity and the associated mass moment of inertia for the loader with the soil. The radius of gyration of the loader without soil is k=0.4 m. Show that the loader is still sliding without tipping over. Include a free-body diagram your working.

1.25 m 0.3 m 0.25 m 0.5 m 0.25 m B 0.15 m 0.75 m 1.5 m Figure 3 The loader has a mass of 1.18 metric ton, and its centre of mass is at G1. The loader is sliding down on a muddy incline of angle 0 =20°. The kinetic friction coefficient is Hk =0.15 and the driver uses the brakes on both pair of wheels. Model the digger as one rigid body. Assume g=10 m/s². Provide all handwritten steps of your solution; include diagrams and coordinate systems. a, Find the acceleration of the loader, which does not have loading in the bucket. Justify your assumptions and check for consistency within your solution. Include a free-body diagram in your working. 5. Now, the scenario changes. The loader has soil in the bucket with the mass 210 kg at G2, which is assumed to be a point mass. Determine the new centre of gravity and the associated mass moment of inertia for the loader with the soil. The radius of gyration of the loader without soil is k=0.4 m. Show that the loader is still sliding without tipping over. Include a free-body diagram your working.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.57P: The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a...

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