A 050-Kg Object Moves in a Horizontal Circular Track with a a Radius

question 49

Multiple Choice

A 0.50-kg object moves in a horizontal circular track with a radius of 2.5 m.An external force of 3.0 N, always tangent to the track, causes the object to speed up as it goes around.The work done by the external force as the mass makes one revolution is:

• A)7.5 J
• B)24 J
• C)47 J
• D)94 J
• E)120 J

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Definitions:

Exhaustion Stage

The final stage of the stress response, characterized by depleted resources and decreased ability to cope with stress.

General Adaptation Syndrome

A theoretical model describing the body's short-term and long-term reactions to stress, consisting of three stages: alarm, resistance, and exhaustion.

Cognitive Impact

The effect of various factors on cognitive processes, such as perception, memory, and reasoning, influencing how we think and understand the world.

Stress

A physical or psychological response to internal or external pressures, challenging the individual's ability to cope.