A Rectangular Block Is Moving Along a Frictionless Path When

question 11

Multiple Choice

A rectangular block is moving along a frictionless path when it encounters the circular loop as shown. The block passes points 1,2,3,4,1 before returning to the horizontal track. At point 3:

• A) its mechanical energy is a minimum
• B) the forces on it are balanced
• C) it is not accelerating
• D) its speed is a minimum
• E) it experiences a net upward force

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Definitions:

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The risk that one party to a contract can change their behavior to the detriment of another after the contract has been concluded.

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Insurance that finances the medical and surgical expenses for the individual covered under the policy.

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