Podcast
Questions and Answers
In Scenario A, what is the angle between the force vector and the displacement vector?
In Scenario A, what is the angle between the force vector and the displacement vector?
- 45 degrees
- 90 degrees
- 180 degrees
- 0 degrees (correct)
In Scenario C, how are the force vector and the displacement vector oriented relative to each other?
In Scenario C, how are the force vector and the displacement vector oriented relative to each other?
- At right angles (correct)
- Opposite directions
- Perpendicular
- Parallel
What is the unit of work used to calculate force causing a displacement of one meter?
What is the unit of work used to calculate force causing a displacement of one meter?
- Newton (N)
- Joule (J) (correct)
- Ohm (Ω)
- Watt (W)
If a vertical force causes a horizontal displacement, does it do work on the object?
If a vertical force causes a horizontal displacement, does it do work on the object?
When multiple forces act upon an object, what can be said about the total work done by all forces?
When multiple forces act upon an object, what can be said about the total work done by all forces?
When a force acts leftward and displacement is rightward, what is the angle between the force vector and the displacement vector?
When a force acts leftward and displacement is rightward, what is the angle between the force vector and the displacement vector?
Which force is doing work on the block in the first example?
Which force is doing work on the block in the first example?
In the second example, why is no work done on the object?
In the second example, why is no work done on the object?
In a free-body diagram, what does the length of an arrow represent?
In a free-body diagram, what does the length of an arrow represent?
What is the unit of work in the International System of Units (SI)?
What is the unit of work in the International System of Units (SI)?
If a force is applied to an object but it does not cause any displacement, what can be said about the work done by that force?
If a force is applied to an object but it does not cause any displacement, what can be said about the work done by that force?
When a force is applied at an angle to the direction of displacement, what affects the work done by that force?
When a force is applied at an angle to the direction of displacement, what affects the work done by that force?
What does a free-body diagram depict?
What does a free-body diagram depict?
When calculating work done by a force, what is the formula used?
When calculating work done by a force, what is the formula used?
In the given example, how much work was done by the applied 10-N force?
In the given example, how much work was done by the applied 10-N force?
What is the unit of work in the International System of Units (SI)?
What is the unit of work in the International System of Units (SI)?
When multiple forces act on an object, what should be considered when calculating work done?
When multiple forces act on an object, what should be considered when calculating work done?
In the given example with a frictional force, what was the amount of work done by the frictional force?
In the given example with a frictional force, what was the amount of work done by the frictional force?
