A Construction Supervisor of Mass M = 80

question 5

Multiple Choice

A construction supervisor of mass M = 80.0 kg is standing on a board of mass m = 30.0 kg.Two sawhorses at a distance L = 4.00 m apart support the board.If the man stands a distance x₁ = 1.25 m away from sawhorse 1 as shown,what is the force that the board exerts on the other sawhorse?

• A)785 N
• B)396 N
• C)687 N
• D)392 N
• E)294 N

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Definitions:

Dopamine Receptors

Proteins located in the brain that dopamine binds to, playing a key role in regulating mood, motivation, and cognitive functions.

Reduce Pleasurable Feelings

The action or process of decreasing the sensations of enjoyment or satisfaction, often related to mental health conditions or the effects of certain substances.

Negative Effects

Undesirable or harmful outcomes or impacts resulting from an action, condition, or intervention.

P300 Amplitudes

Refers to brainwave patterns measured during neurophysiological tasks indicating the processing of stimuli.