Question

Science: Work, Power and Efficiency Practice Problems:

Work = Force x Distance
Power = Work / Time
Percent Efficiency = Work
Output/Work Input x 100

Step 1: Write the equation
Step 2: Substitute with units
Step 3: Solve with units
rounding to the nearest tenth

1) It took 639 Newtons to push a table 21 meters. How much work was done?

Answer 1

I believe it is 13,419 joules.

Step-by-step explanation:

I could be very wrong, please fact check me