Homework Help: physics

Posted by Kalen on Wednesday, October 7, 2009 at 12:09pm.

Blocks with masses of 1kg , 4kg , and 6kg are lined up in a row on a frictionless table. All three are pushed forward by a 50N force applied to the 1kg block.
How much force does the 4kg block exert on the 6kg block?
How much force does the 4kg block exert on the 1kg block?

physics - drwls, Wednesday, October 7, 2009 at 12:15pm
Draw free body diagrams and wqrite equations of motion for each block, including internal forces acting on the blocks that contact each other. remeber that action equals reaction. You will end up with four equations in four unknowns: three internal forces plus the acceleration. You can solve for them all.
physics - Kalen, Wednesday, October 7, 2009 at 12:27pm
Would the force of the 4kg block acting on the 1kg block be the mass=4kg+6kg times the acceleration =50/11?

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