The Effective Weight of a 10-Pound Object Held at Arm's

question 39

Multiple Choice

The effective weight of a 10-pound object held at arm's length away from the body is how many pounds?

• A)1
• B)10
• C)40
• D)70

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Definitions:

Trichromatic Theory

A theory of color vision proposing that the eye perceives color through the relative rates of response by three types of cones, each sensitive to different wavelengths of light.

Colour Vision

The ability of the eye to distinguish objects based on the wavelengths of the light they reflect, emit, or transmit.

Estimate

A rough calculation or judgement of the value, number, quantity, or extent of something.

Thirsty

The sensation or condition of needing or desiring to drink fluids, typically as a physiological response to dehydration.