Question

A certain 48 V electric forklift can lift up to 7000 lb at a
maximum rate of 76 ft/min. What is its power? Round your
answer to the nearest hundreds.

Answer 1

Based on the information provided, the Power of the electric forklift to the nearest hundred is 12,000 W.

What is the formula for arriving at Power in physics?

The formula for calculating power in physics is given as:

P = E/t; where P = Power, E is energy and t is time in seconds. It is also given as :

P = W/Δt

Recall that power is defined as the amount of work done within a specific amount of time.

Where W = Work and; Δt = time elapsed.

Recall that Work (w) = Force x distance

Force here is usually domiciled in Newtons while distance is usually domiciled in meters.

7000 pounds or Lbs to Newtons is

7000 x 4.4482216153 = 31137.551307 N

So let's convert the distance to Meters.

1 foot = 0.3048m

Therefore, 76ft = 23.1648 m

Thus, Work = 31137.551307 X 23.1648 (That is Force in Newtons x distance in meters.)

Work = 721, 295.148516 N·m

Recall that power is given as:

P = W/Δt

= 721,300/60 seconds

= 12,021.6666667, to the nearest hundred, and we have:

P = 12,000 W

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