Recall Quiz - Power

Last updated almost 5 years ago
4 questions
1

Write the equation that links work done, time and power.

1

Define power.

1

How many Watts are there in 70J/s?.

1

Electric motor A lifts a mass of 50g 1m into the air in 5 seconds. Electric motor B lifts a mass of 50g 1m into the air in 6 seconds. Which electrical motor is more powerful