A 100 Kg Block on a Smooth Horizontal Surface Is Acted

question 44

Multiple Choice

A 10.0 kg block on a smooth horizontal surface is acted upon by two forces: a horizontal force of 70 N acting to the left and a horizontal force of 30 N to the right. The acceleration of the block will be

• A) 2.3 m/s² to the right.
• B) 4.0 m/s² to the right.
• C) 10.0 m/s² to the left.
• D) 4.0 m/s² to the left.

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Definitions:

Echoic Memory

A subtype of sensory memory that retains audio information for a few seconds after the sound is heard.

Visual Stimulation

Exposure to visual stimuli that influences a person's feelings, perception, or cognitive processes, often used in education, therapy, and entertainment.

Auditory Stimulation

The process of provoking a response through exposure to auditory stimuli, such as sounds or music.

Mnemonic Technique

A memory aid or strategy to make information easier to remember.