# depends on the stiffness of the spring and is determined through empirical testing of x. # If an ideal spring is stretched or compressed units beyond its natural length, then Hooke’s Law, F kx, tells us the force the spring is exerting to resist that action. Work Required to Stretch or Compress a Spring # Dyne centimetre (cm) dyne-centimeter or erg # Newton (N) meter (m) Newton-meter or Joule (J) # table below shows both the metric and the English systems of units of force, distance and work.
The variable force is a function of distance x. # not a constant, and rather, it changes over time.
# using The above formula is used to compute the work done by a variable force F x, that is, the force is # The work done by a force ( ) to move an object from to may be attained by # work done by a variable force and work done by a constant force. Integration approach can be used both to calculate # the direction of the force is the product. WORK DONE BY A FORCE The work doneW by a constant force of magnitude F on a point that moves a displacement x in
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