If an object is sliding down a ramp, and accelerates continually....

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If an object is sliding down a ramp, and accelerates continually....

[From: ] [author: ] [Date: 11-11-12] [Hit: ]

Is the total energy of it changing?-1 Yes. the force is gravity.2. No. Total energy (KE + PE) remains the same but the total kinetic energy increases while the total potential energy decreases.......

the ramp is smooth and has no friction...

1. Is a force doing work on it?
2. Is the total energy of it changing?

-

1 Yes. the force is gravity.

2. No. Total energy (KE + PE) remains the same but the total kinetic energy increases while the total potential energy decreases.

1

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