A Block of Mass M Is at Rest on an Inclined

question 29

Multiple Choice

A block of mass m is at rest on an inclined plane that makes an angle of 30 ^o with the horizontal. Which of the following statements about the force of static friction is true?

• A) f_s > mg
• B) f_s > mg cos 30^o
• C) fs = mg cos 30^o
• D) f_s = mg sin 30^o
• E) None of these statements is true.

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Definitions:

One Path

A circuit configuration where all components are arranged so that there is only a single pathway for current flow.

Applied Voltage

The voltage that is externally applied to a circuit or component to drive its operation.

Fuse

A safety device consisting of a strip of wire that melts and breaks an electric circuit if the current exceeds a safe level.

Excessive Current

A current flow surpassing the designed or safe limit of an electrical circuit or device, potentially leading to overheating or damage.