Physics Quiz on Power and Work

What is the mass of the piano that needs to be lifted?

• 9.81 kilograms

• 1800 kilograms

• 325 kilograms

• 17 kilograms

Which formula is used to calculate work in this context?

• Work = Energy / Time

• Work = Mass x Velocity

• Work = Force x Distance

• Work = Power / Time

What is the value of acceleration due to gravity used in the calculation?

• 9.5 m/s²

• 10 m/s²

• 8.9 m/s²

• 9.81 m/s²

How is the force required to lift the piano calculated?

• Force = Mass x Acceleration due to gravity

• Force = Power x Time

• Force = Energy / Distance

• Force = Mass x Distance

What is the calculated time it takes for the motor to lift the piano 17 meters?

• 40.0 seconds

• 35.2 seconds

• 25.5 seconds

• 30.1 seconds