Slanted Surfaces with Friction: a 4

question 46

Multiple Choice

Slanted surfaces with friction: A 4.00-kg block rests on a 30.0° incline as shown in the figure. If the coefficient of static friction between the block and the incline is 0.700, what magnitude horizontal force F must act on the block to start it moving up the incline?

• A) 34.0 N
• B) 51.1 N
• C) 54.7 N
• D) 84.0 N
• E) 76.4 N

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Definitions:

Occipital lobe

The rearmost lobe in each cerebral hemisphere of the brain, primarily responsible for processing visual information.

Visual stimuli

Objects or aspects within the environment that are perceived visually and can influence behavior and cognitive processes.

Brain

The organ located in the skull responsible for central nervous system functions, including thought, memory, and regulation of the body.

Parietal lobe

A region of the cerebral cortex, located at the upper back area of the skull, involved in processing sensory information and spatial orientation.