Question

Sample 14. A horse exerts a pull on a cart of
500 N. so that horse cart system moves with a uniform
velocity of 36 kmh-. What is the power developed by
the horse in watt as well as in horse power?

Answer 1

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Solution

Answer 2

The power developed by horse 5000 watt or 6.7 horsepower

Step-by-step explanation:

Horse exert force=F=500 N

Velocity of horse=36 km/h=$\frac{5}{18}\times 36=10m/s$

Using 1 km/h=$\frac{5}{18}m/s$

We know that

Power=P=Fv

Where F=Force

v=Velocity of object

Using the formula

Power developed by horse=$10\times 500=5000watt$

746 watt=1 horse power

1 watt=$\frac{1}{746}$horse power

5000 watt=$\frac{5000}{746}=6.7 hp$

Hence, the power developed by horse 5000 watt or 6.7 horsepower

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