Posted by **Maria Ellah** on Thursday, February 2, 2012 at 7:41am.

A net force of 150 lbs acts on a body whose weight is 96 lbs. What is its acceleration? Please indicate the formula used.

- Physics -
**drwls**, Thursday, February 2, 2012 at 8:14am
The equation to use is

F = m * a, however, the mass must be in slugs, not pounds, if you are going to use British units. The force an be in pounds, and the value of a will be in ft/s^2.

1 slug is the mass that is accelerated at a rate of ft/s^2 by a force of 1 pound. It equals 32.2 pounds

An object with a weight of 96 lb (on earth) has a mass of

M = 96/32.3 = 2.981 slugs

a = F/m = 150/2.981 = 50.3 ft/s^2.

- Physics -
**Hale**, Thursday, February 2, 2012 at 8:21am
Thank you sir! :)

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