What is meant by the point of application of force?
What is meant by wind energy farm?
Write one of its practical application
the work done by force is defined as a dot product of force vector and displacement vector of the point of application of force.if the point of application of force F=5i-3j+2k is moved from r1=2i+7j+4k to r2=-5i+2j+3k the work done by force is