Podcast
Questions and Answers
What type of work does a force do if it has a component in the direction of the displacement?
What type of work does a force do if it has a component in the direction of the displacement?
- Positive work (correct)
- Neutral work
- Negative work
- Zero work
When is the work done by a gravitational force on a ball as it falls positive?
When is the work done by a gravitational force on a ball as it falls positive?
- When the force is aligned with the direction of motion
- When the ball is thrown upwards
- When the ball is held above the ground (correct)
- When the force has a component opposite to the direction of displacement
What type of work does a force do if it has a component opposite to the direction of the displacement?
What type of work does a force do if it has a component opposite to the direction of the displacement?
- Zero work
- Neutral work
- Positive work
- Negative work (correct)
How is work related to energy transfer?
How is work related to energy transfer?
What unit is used to measure work?
What unit is used to measure work?
According to the excerpt, why do many institutions persist for a surprisingly long time despite failing at their formal purposes?
According to the excerpt, why do many institutions persist for a surprisingly long time despite failing at their formal purposes?
What is the main reason for the functional persistence of existing institutions, according to the excerpt?
What is the main reason for the functional persistence of existing institutions, according to the excerpt?
Based on the excerpt, why do insiders within large institutions feel resigned about getting things done?
Based on the excerpt, why do insiders within large institutions feel resigned about getting things done?
What characteristic distinguishes the few organizations that outperform all others within any given type of institution?
What characteristic distinguishes the few organizations that outperform all others within any given type of institution?
According to the excerpt, what is the common outcome for most things?
According to the excerpt, what is the common outcome for most things?