- #1
gijungkim
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Homework Statement
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Objects A and B, of mass M and 2M respectively, are each pushed a distance d straight up an inclined plane by a force F parallel to the plane. The coefficient of kinetic friction between each mass and the plane has the same value [PLAIN]https://www.physicsforums.com/x-apple-ql-id://3C529BAE-7096-42AC-A3AD-BBB311BE09A3/x-apple-ql-magic/2A7E0075-C083-4913-99A2-A5DE41E321DE.pdf . At the highest point,
a.https://www.physicsforums.com/x-apple-ql-id://F3828464-FA8A-4215-8BE7-4A023DC5CD41/x-apple-ql-magic/5507A7ED-921A-42CF-9951-B813D9EAF084.pdf .
b.https://www.physicsforums.com/x-apple-ql-id://2E7FAF13-D7EF-40BF-AC42-B48E3047EE43/x-apple-ql-magic/C52E68C5-7BFE-4BCC-8299-858DDE6FFF1F.pdf .
c.https://www.physicsforums.com/x-apple-ql-id://FC2B1409-9B06-476D-A519-19DF4D82235F/x-apple-ql-magic/C54A8274-657D-49B6-A032-6347DA0F9DBB.pdf .
d.The work done by F on A is greater than the work done by F on B.
e.The work done by F on A is less than the work done by F on B.
Homework Equations
K= 0.5mv^2
PE= mgh
Ffriction = Fn * [PLAIN]https://www.physicsforums.com/x-apple-ql-id://3C529BAE-7096-42AC-A3AD-BBB311BE09A3/x-apple-ql-magic/2A7E0075-C083-4913-99A2-A5DE41E321DE.pdf
The Attempt at a Solution
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The answer is A.
I don't even know how to approach this question.. I'm studying by myself so I don't have any teachers to ask :( Can anyone help me out??
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