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An electric motor creates a tension of 4500 N in a hoisting cable and reels it in at the rate of 2 m/s. What is the power of the electric motor?
- a)225W
- b)15kW
- c)9kW
- d)900 W
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
An electric motor creates a tension of 4500 N in a hoisting cable and ...
F=4500N
v=2ms−1
The power of motor is given by
P=F.v
P=4500×2
P=9000W=9kW
v=2ms−1
The power of motor is given by
P=F.v
P=4500×2
P=9000W=9kW
Most Upvoted Answer
An electric motor creates a tension of 4500 N in a hoisting cable and ...
Power=force x velocity
Power = 4500 x 2 = 9000 w
= 9 kw. Tension is also a force.
Power = 4500 x 2 = 9000 w
= 9 kw. Tension is also a force.
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Community Answer
An electric motor creates a tension of 4500 N in a hoisting cable and ...
To find the power of the electric motor, we can use the formula:
Power = Tension * Velocity
where Power is measured in watts (W), Tension is measured in newtons (N), and Velocity is measured in meters per second (m/s).
Given:
Tension = 4500 N
Velocity = 2 m/s
Substituting these values into the formula, we get:
Power = 4500 N * 2 m/s
Simplifying the equation, we have:
Power = 9000 N·m/s
Since 1 watt is equal to 1 N·m/s, we can convert the power to kilowatts (kW) by dividing it by 1000:
Power = 9000 N·m/s / 1000 = 9 kW
Therefore, the power of the electric motor is 9 kW.
Power = Tension * Velocity
where Power is measured in watts (W), Tension is measured in newtons (N), and Velocity is measured in meters per second (m/s).
Given:
Tension = 4500 N
Velocity = 2 m/s
Substituting these values into the formula, we get:
Power = 4500 N * 2 m/s
Simplifying the equation, we have:
Power = 9000 N·m/s
Since 1 watt is equal to 1 N·m/s, we can convert the power to kilowatts (kW) by dividing it by 1000:
Power = 9000 N·m/s / 1000 = 9 kW
Therefore, the power of the electric motor is 9 kW.
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An electric motor creates a tension of 4500 N in a hoisting cable and reels it in at the rate of 2 m/s. What is the power of the electric motor?a)225Wb)15kWc)9kWd)900 WCorrect answer is option 'C'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about An electric motor creates a tension of 4500 N in a hoisting cable and reels it in at the rate of 2 m/s. What is the power of the electric motor?a)225Wb)15kWc)9kWd)900 WCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An electric motor creates a tension of 4500 N in a hoisting cable and reels it in at the rate of 2 m/s. What is the power of the electric motor?a)225Wb)15kWc)9kWd)900 WCorrect answer is option 'C'. Can you explain this answer?.
An electric motor creates a tension of 4500 N in a hoisting cable and reels it in at the rate of 2 m/s. What is the power of the electric motor?a)225Wb)15kWc)9kWd)900 WCorrect answer is option 'C'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about An electric motor creates a tension of 4500 N in a hoisting cable and reels it in at the rate of 2 m/s. What is the power of the electric motor?a)225Wb)15kWc)9kWd)900 WCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An electric motor creates a tension of 4500 N in a hoisting cable and reels it in at the rate of 2 m/s. What is the power of the electric motor?a)225Wb)15kWc)9kWd)900 WCorrect answer is option 'C'. Can you explain this answer?.
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