The electric motor in a trolley bus develops a power output of 80 hp at 1200 r/min as the bus moves up a hill at a speed of 30 miles per hour. Assuming that the gear losses are negligible, calculate the following: a. The torque developed by the motor [N-m] b. The force opposing the motion of the bus [N]
The electric motor in a trolley bus develops a power output of 80 hp at 1200 r/min as the bus moves up a hill at a speed of 30 miles per hour. Assuming that the gear losses are negligible, calculate the following: a. The torque developed by the motor [N-m] b. The force opposing the motion of the bus [N]
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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![19 The electric motor in a trolley bus develops
a power output of 80 hp at 1200 r/min as the
bus moves up a hill at a speed of 30 miles
per hour. Assuming that the gear losses are
negligible, calculate the following:
a. The torque developed by the motor [N-m]
b. The force opposing the motion of the
bus [N]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa738f338-4b97-4795-af96-9c8545b72d67%2F2fb0b979-7dd9-466e-8319-ed9d3e644fe4%2Fapipau8k_processed.png&w=3840&q=75)
Transcribed Image Text:19 The electric motor in a trolley bus develops
a power output of 80 hp at 1200 r/min as the
bus moves up a hill at a speed of 30 miles
per hour. Assuming that the gear losses are
negligible, calculate the following:
a. The torque developed by the motor [N-m]
b. The force opposing the motion of the
bus [N]
Expert Solution

Step 1
Given data:-
Output power = 80 h.p. at
1200r/min
Speed = 30miles/hour
Find
1) torque developed by the motor?
2) The force opposing the motion of the bus?
Step by step
Solved in 3 steps

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