Question

why do vehicles climbing hills move in first or second gear?
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Answer 1

Answer:

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When you are climbing a hill, you need more torque. To get more torque, the speed should be very low. Hence, we use first gear and second gear to climb steep hills. ... Once you reach highway, you don't need much torque because there is momentum present with the vehicle.....

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Answer 2

Answer:

When you are climbing a hill, you need more torque. To get more torque, the speed should be very low. Hence, we use first gear and second gear to climb steep hills. ... Once you reach highway, you don't need much torque because there is momentum present with the vehicle.