The tractor exerts a towing force T 400 lb It has a weight of 7900 lb and a center of gravity located at GT An additional weight of 600 lb is added to its front having a center of gravity at GA Take s 0 4 The front wheels are free to roll Determine the normal reactions at each of the two front tires Determine the normal reactions at each of the two rear tires Determine the tractive frictional force F on each rear tire needed to pull the load forward at constant velocity Gr GA T 2 5 ft F 5 ft 4 ft 3 ft

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Question: The tractor exerts a towing force T = 400 lb. It has a weight of 7900 lb and a center of gravity located at GT.

The tractor exerts a towing force T = 400 lb. It has a weight of 7900 lb and a center of gravity located at GT. An additional weight of 600 lb is added to its front having a center of gravity at GA. Take ?s = 0.4. The front wheels are free to roll.

QGA 2.5 ft CL F 3 ft

Determine the normal reactions at each of the two front tires.

Determine the normal reactions at each of the two rear tires.

Determine the tractive frictional force F on each rear tire needed to pull the load forward at constant velocity.

Gr GA T- 2.5 ft. F 5 ft 4 ft- 3 ft

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