Two Masses Are Suspended by a Cord That Passes Over

question 106

Multiple Choice

Two masses are suspended by a cord that passes over a pulley with negligible mass. The cord also has negligible mass. One of the masses, m₁, has a mass of 7.0 kg and the other mass, m₂, has a mass of 3.0 kg. The pulley turns on a shaft through the center of the pulley, which supports the pulley and all the masses. The vertical force of the shaft on the pulley is

• A) 49 N upward.
• B) 49 N downward.
• C) 82 N upward.
• D) 82 N downward.
• E) 98 N upward.

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Definitions:

Transformational Leaders

Leaders who inspire and motivate their followers to exceed their own self-interests for the betterment of the organization through vision and passion.

Use of Power

The application of influence, control, or authority in order to achieve desired outcomes within a social context.

Vision and Goals

The desired future state an individual or organization aspires to achieve, and the specific, measurable objectives set out to reach that vision.

Transactional Leadership

A leadership style centred on clear exchanges between leaders and followers, focusing on performance and rewards.