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1. |
A two-wheel drive tractor weighing 18 kN has a wheel base 1.8 m. Its centre of gravity is located 600 mm ahead of the rear axle centre, under static condition, on a level ground. When this tractor is used to pull a disc plough hitched at a height of 390 mm from the ground, the draft observed is 6 kN. The change in reaction on rear wheels of the tractor due to pull in kN is |
A. | 1.30 |
B. | 1.95 |
C. | 3.90 |
D. | 5.85 |
Answer» B. 1.95 | |