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If the power of any engine is 1HP, then ...

If the power of any engine is 1HP, then what does it means ?

A

Engine work for 746N

B

The rate of doing work by the engine is 746 J/s

C

Total work done by the engine is 746J

D

None of the above

Text Solution

AI Generated Solution

The correct Answer is:
To understand what it means when the power of an engine is 1 horsepower (HP), we can break it down step by step: ### Step 1: Define Power Power is defined as the rate at which work is done. The formula for power (P) is given by: \[ P = \frac{W}{t} \] where \( W \) is the work done and \( t \) is the time taken. ### Step 2: Understand the Unit of Power The standard unit of power in the International System of Units (SI) is the watt (W). One watt is defined as one joule per second: \[ 1 \text{ W} = 1 \frac{\text{J}}{\text{s}} \] ### Step 3: Convert Horsepower to Watts 1 horsepower is a unit of power that is commonly used to measure the output of engines. It is defined as: \[ 1 \text{ HP} = 746 \text{ W} \] This means that an engine with a power rating of 1 HP can do 746 joules of work in one second. ### Step 4: Conclusion Therefore, if an engine has a power of 1 HP, it means that the engine can perform work at a rate of 746 joules per second. ### Final Answer In summary, if the power of any engine is 1 horsepower (1 HP), it means that the engine can do 746 joules of work in one second. ---

To understand what it means when the power of an engine is 1 horsepower (HP), we can break it down step by step: ### Step 1: Define Power Power is defined as the rate at which work is done. The formula for power (P) is given by: \[ P = \frac{W}{t} \] where \( W \) is the work done and \( t \) is the time taken. ### Step 2: Understand the Unit of Power ...
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