Block 1 and Block 2 Have the Same Mass,m,and Are

question 45

Multiple Choice

Block 1 and block 2 have the same mass,m,and are released from the top of two inclined planes of the same height making 30° and 60° angles with the horizontal direction,respectively.If the coefficient of friction is the same in both cases,which of the blocks is going faster when it reaches the bottom of its respective incline?

• A) We must know the actual masses of the blocks to answer.
• B) Both blocks have the same speed at the bottom.
• C) Block 1 is faster.
• D) Block 2 is faster.
• E) There is not enough information to answer the question because we do not know the value of the coefficient of kinetic friction.

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Definitions:

Facial Expressions

Visible changes in the face that communicate emotional states or reactions.

Somatosensory Cortex

Area of cortex at the front of the parietal lobes responsible for processing information from the skin and internal body receptors for touch, temperature, and body position.

Parietal Lobe

The parietal lobe is a region of the brain associated with processing sensory information regarding the location of parts of the body as well as interpreting visual information and processing language and mathematics.

Parietal Lobes

Regions of the brain located behind the frontal lobes, responsible for processing sensory information from various parts of the body, particularly with relation to navigation, spatial awareness, and sensory perception.