Question

A motor of 100 hp moves with a uniform speed 72km/h. the forward thrust applied by the engine on the car is?

Answer 1

Given conditions ⇒

Power = 100 hp.

= 100 × 746 W.

= 7.46 × 10⁴ W.

Velocity = 72 km/hr. = 72 × 5/18

= 4 × 5 = 20 m/s.

Using the Formula,

Power = Force × Velocity

⇒ Force = Power/Velocity

∴ Force = 7.46 × 10⁴/20

Force = 3.73 × 10³ N .

Hence, the Forward Thrust on the Engine is 3.73 × 10³ N.

Hope it helps.

Answer 2

Answer:

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