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Bob Seal · May 18, 2009, 08:31 AM

How do you calculate work from a word problem when you are only given mass, distance traveled and time it took for this distance to be traveled?

Unknown008 · May 18, 2009, 08:57 AM

You have to remember that

$Work Done = Force \times Distance$

Force is also weight, given by, F=ma or W=mg, both are correct and will give you the same answer. (a = g = 10m/s^-2 {or 9.81 if you need more significant figures})

You're also given time here, which is not necessary to find the work. With that time, you can however, find the power, given by

Power = Work Done / Time

Hope it helped! :)

Unknown008 · May 18, 2009, 08:58 AM

You have to remember that

$Work Done = Force \times Distance$

Force is also weight, given by, F=ma or W=mg, both are correct and will give you the same answer. (a = g = 10m/s^-2 {or 9.81 if you need more significant figures})

You're also given time here, which is not necessary to find the work. With that time, you can however, find the power, given by

Power = Work Done / Time

Hope it helped! :)