Three Identical Blocks Move Either on a Horizontal Surface, Up

question 52

Multiple Choice

Three identical blocks move either on a horizontal surface, up a plane, or down a plane, as shown below. They all start with the same speed and continue to move until brought to rest by friction. Rank the three situations according to the mechanical energy dissipated by friction, least to greatest.

• A) The same for all cases
• B) 1, 2, 3
• C) 1, then 2 and 3 tie
• D) 3, 2, 1
• E) 2, 1, 3

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Definitions:

Arbitration

A form of alternative dispute resolution where a neutral third-party makes a binding decision to resolve a dispute, avoiding court litigation.

Binding

Describes an agreement, contract, or legal decision that must be adhered to by the parties involved.

Appealed

To apply to a higher court for a reversal of the decision of a lower court.

International Arbitration

A process used to resolve disputes between parties from different countries outside the courts, using agreed upon arbitrators.