As a stone slides down a frictionless,ice-covered hill,its mechanical energy is conserved but its momentum is not conserved.

Name: As a stone slides down a frictionless,ice-covered hill,its mechanical energy is conserved but its momentum is not conserved.
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Question

Quizplus · Accepted Answer

Mechanical energy is conserved in the absence of non-conservative forces like friction, but momentum is not conserved because an external force (gravity) acts on the stone.

As a Stone Slides Down a Frictionless,ice-Covered Hill,its Mechanical Energy