Practice Problems

Make sure to enter your answers in the specified units .
A boy climbs a ladder a vertical distance of meters in seconds. If his mass is kilograms, how much work (in joules) did he accomplish?

A force of newtons acts on a kilogram object which is at rest. How fast will it be moving after seconds? Your answer should be in m/s.

What is the weight of the object in question 2 (in newtons)?

How much power (in watts) is generated by an engine which maintains a constant force of newtons while moving a car meters in seconds?

How many centimeters are there in meters?

Once you have submitted your answers for grading by clicking the grade button, you cannot resubmit answers for the same Problem Set--you must use the 'New Problems' button first.
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Constants Conversions calculator