Podcast
Questions and Answers
What is the unit of measurement for work in terms of basic SI units?
What is the unit of measurement for work in terms of basic SI units?
- Joule (correct)
- kg*m/s²
- kg*m²/s
- N/m²
Which force does not do work on the object?
Which force does not do work on the object?
- Electric force
- Frictional force
- Normal force (correct)
- Tension force
If an object is in free fall, what is the direction of the net force acting on it?
If an object is in free fall, what is the direction of the net force acting on it?
- Upwards
- Downwards (correct)
- Zero
- Horizontal
Which of the following forces is a conservative force?
Which of the following forces is a conservative force?
What happens to the kinetic energy of an object that experiences no work done on it?
What happens to the kinetic energy of an object that experiences no work done on it?
1 joule is equal to 1 newton.
1 joule is equal to 1 newton.
A joule is equivalent to the product of a newton and a meter.
A joule is equivalent to the product of a newton and a meter.
1 meter is equivalent to 1 kilogram.
1 meter is equivalent to 1 kilogram.
The unit of work is the same as the unit of force.
The unit of work is the same as the unit of force.
1 joule is equal to 1 kilogram multiplied by a newton.
1 joule is equal to 1 kilogram multiplied by a newton.