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What are the units for power, work, and force?
The amount of power will increase.
Power is measured in watts, work is measured in joules, and force is measured in newtons.
To figure this out you also would need to know the time it took to lift the box.
The amount of power will decrease.
if it took Mike much longer than Shantel to finish the work
150 W
Increasing the speed at which the motor does work
joules/second
How much power would be required to lift a 10-N box 2 meters?
The amount of power will increase.
Power is measured in watts, work is measured in joules, and force is measured in newtons.
To figure this out you also would need to know the time it took to lift the box.
The amount of power will decrease.
if it took Mike much longer than Shantel to finish the work
150 W
Increasing the speed at which the motor does work
joules/second
Pedro is building a motor. He wants it to be more powerful. Which would help him increase the power?
The amount of power will increase.
Power is measured in watts, work is measured in joules, and force is measured in newtons.
To figure this out you also would need to know the time it took to lift the box.
The amount of power will decrease.
if it took Mike much longer than Shantel to finish the work
150 W
Increasing the speed at which the motor does work
joules/second
How will the amount of power change if less work is done in more time?
The amount of power will increase.
Power is measured in watts, work is measured in joules, and force is measured in newtons.
To figure this out you also would need to know the time it took to lift the box.
The amount of power will decrease.
if it took Mike much longer than Shantel to finish the work
150 W
Increasing the speed at which the motor does work
joules/second
How will the amount of power change if more work is done in the same amount of time?
The amount of power will increase.
Power is measured in watts, work is measured in joules, and force is measured in newtons.
To figure this out you also would need to know the time it took to lift the box.
The amount of power will decrease.
if it took Mike much longer than Shantel to finish the work
150 W
Increasing the speed at which the motor does work
joules/second
How would it be possible for Mike to do more work than Shantel while being less powerful than she is?
The amount of power will increase.
Power is measured in watts, work is measured in joules, and force is measured in newtons.
To figure this out you also would need to know the time it took to lift the box.
The amount of power will decrease.
if it took Mike much longer than Shantel to finish the work
150 W
Increasing the speed at which the motor does work
joules/second
A weightlifter does 450 J or work on a barbell in 3 s. How much power is the weightlifter generating?
The amount of power will increase.
Power is measured in watts, work is measured in joules, and force is measured in newtons.
To figure this out you also would need to know the time it took to lift the box.
The amount of power will decrease.
if it took Mike much longer than Shantel to finish the work
150 W
Increasing the speed at which the motor does work
joules/second
What unit defines a watt?
The amount of power will increase.
Power is measured in watts, work is measured in joules, and force is measured in newtons.
To figure this out you also would need to know the time it took to lift the box.
The amount of power will decrease.
if it took Mike much longer than Shantel to finish the work
150 W
Increasing the speed at which the motor does work
joules/second
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