Homework Help: physics

Posted by Melissa on Thursday, December 3, 2009 at 8:52pm.

A 6.0 kg object undergoes an acceleration of 2.0 m/s2.a. What is the magnitude of the net force acting on the object?b. If this same force is applied to a 4.0 kg object, what acceleration isproduced?

physics - drwls, Friday, December 4, 2009 at 12:55am
Use Newton's law

F = m a

a. 6.0 kg x 2.0 m/s^2 = 12 kg m/s^2 (also called newtons)

b. If the mass is reduced by a 2/3 factor, then if the same force is used as in (a), the acceleration (a) will be higher by a 3/2 factor

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