Two Supports, Made of the Same Material and Initially of Equal

question 20

Multiple Choice

Two supports, made of the same material and initially of equal length, are 2.0 m apart. A stiff board with a length of 4.0 m and a mass of 10 kg is placed on the supports, with one support at the left end and the other at the midpoint. A block is placed on the board a distance of 0.50 m from left end.As a result the board is horizontal. The mass of the block is:

• A) zero
• B) 2.3 kg
• C) 6.6 kg
• D) 10 kg
• E) 20 kg

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Definitions:

Creative Problem Solving

An approach to finding innovative solutions to complex problems through creativity, thinking outside the box, and exploring unconventional approaches.

Alternatives

Other options or choices available in a decision-making process.

Preparation

The act of making ready or being made ready for use or consideration, often involving planning or organization.

Verification

The process of establishing the truth, accuracy, or validity of something.