If an object is displaced while some constant force acts on
it, the work done by the force is the dot product of the force
and displacement vectors.
The work done in stretching (or compressing) a spring by a
distance x is kx2/2, where k is the force constant
of the spring.
Work-Kinetic energy theorem: The work done on an object by
the net force is equal to the change in kinetic energy:
Work done by net force = Final kinetic energy Initial
The potential energy of a system is the work done in
assembling the system. For an object of mass m at a height h,
near the surface of the Earth, the potential energy of the
Earth-object system is mgh.
If a spring is stretched (or compressed) by a distance x,
then the elastic potential energy stored in the spring is
Power is the rate of doing work; Power = F.v
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.
The book offers a complete review of your AP course, strategies to give you the edge on test day, and plenty of practice with AP-style test questions. It includes full length practice exams modeled on the real test and all the terms and concepts you need to know.
This book includes a review of all the topics tested including vectors, kinematics, fluid mechanics, optics and nuclear physics. Additionally, the book includes two full length tests made complete with descriptive solutions, and quick study tables for Physics B formulas and equations.