A 050 Kg Mass Attached to the End of a String

question 4

Multiple Choice

A 0.50 kg mass attached to the end of a string swings in a vertical circle (radius = 2.0 m) . When the mass is at the highest point of the circle the speed of the mass is 8.0 m/s. What is the magnitude of the force of the string on the mass at this position?

• A) 21 N
• B) 11 N
• C) 16 N
• D) 26 N
• E) 36 N

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Definitions:

Hair Cells

Specialized sensory cells located in the inner ear that are essential for hearing and balance.

Semicircular Canals

Three fluid-filled tubes in the inner ear that help maintain balance by sensing rotational movements.

Misjudge Sizes

The incorrect estimation or perception of the actual size of an object, which can be due to cognitive biases or visual illusions.

Feature Detectors

Neurons in the brain that identify specific features of a stimulus, such as shape, angle, or movement.