A 5-Kg Concrete Block Is Lowered with a Downward Acceleration

question 54

Multiple Choice

A 5-kg concrete block is lowered with a downward acceleration of 2.8 m/s² by means of a rope.The force of the block on the Earth is:

• A)14 N, up
• B)14 N, down
• C)35 N, up
• D)35 N, down
• E)49 N, up

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Definitions:

Experimental Psychology

A branch of psychology that studies the mind and behavior through controlled experiments and systematic observation.

Single Subject

A research design focusing on the detailed examination of a single case or subject, often used in clinical psychology.

Operant Conditioning

A method of learning that uses rewards and punishments to influence behavior, introduced by B.F. Skinner, emphasizing the role of reinforcement and consequences.

Consequences Of Response

The outcomes or results that follow from the actions or reactions of an individual or system.