Posted by Britni on Tuesday, May 3, 2011 at 6:51pm.
When certain a force is applied to a 2kg standard mass, its acceleration is 5m/s^2.When the same force is applied to another object its aceleration is 2m/s^2. The mas of the objects is:

Physics  drwls, Tuesday, May 3, 2011 at 8:13pm
From the first bit of information, the force is
F = m a = 10 Newtons
For the second object, using the same force, the slower acceleration tells you that the mass M must be
M = F/a = 10/2 = 5 kg
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