Work and Energy
Quick practice
Question 1 of 5
A constant force acts on a block and causes it to move in the same direction as the force. Which statement about the SI unit of work is correct?
The SI unit of work is newton (N) because work depends on force.
The SI unit of work is watt (W) because work is related to energy used.
The SI unit of work is joule (J), and 1 J equals 1 N acting through 1 m.
The SI unit of work is kg m/s because work involves motion.
Concepts
Work
Work Done by a Constant Force
Forms of Energy
Kinetic Energy
Potential Energy of an Object at a Height
Are Various Energy Forms Interconvertible?
Law of Conservation of Energy
Rate of Doing Work (Power)
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