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

question 5

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 rope 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:

Percent

A way of expressing a number as a fraction of 100, representing a part of a whole.

Normal Model

A statistical model describing data distribution that is symmetric, bell-shaped, and characterized by mean and standard deviation.

Mathematics Test

An examination or assessment intended to measure a person's knowledge, skills, or abilities in mathematics.

Normal Model

A statistical model where the data follow a bell-shaped distribution, with most of the observations clustering around the center mean.