Podcast
Questions and Answers
What is the relationship between work and energy?
What is the relationship between work and energy?
- Work and energy are unrelated concepts
- Work is a measure of energy transfer and transformation (correct)
- Energy can only be converted into work, not vice versa
- Energy is a measure of time spent doing work
In which scenario does no work occur?
In which scenario does no work occur?
- A car accelerating up a hill
- A book resting on a table (correct)
- A person carrying a heavy box across the room
- A person pushing a heavy box across the floor
What happens to the potential energy of an object when it is lifted higher above the ground?
What happens to the potential energy of an object when it is lifted higher above the ground?
- The potential energy becomes kinetic energy
- The potential energy remains constant
- The potential energy decreases
- The potential energy increases (correct)
What is the relationship between work and energy?
What is the relationship between work and energy?
When an object is lifted higher above the ground, what happens to its potential energy?
When an object is lifted higher above the ground, what happens to its potential energy?
In which scenario does work occur?
In which scenario does work occur?