Why is work done equal to force×displacement?
45669
What is behind the definitions of work and energy?
63850
Why is the restoring force directly proportional to extension?
107676
Work done when lifting an object at constant speed
67570
Work done changes between reference frames?
104907
Why is the direction of net force on an object and the direction of acceleration of that object different in this problem?
8758
Why isn't the product rule used in the definition of mechanical work?
63081
Is the moment of a force the same about any point?
53798
The relation between acceleration and inertial force
21948
What "propagates" a force through the rest of a solid?
125404
Work of a force field
48979
Work done by gravity on falling object does not seem to equal change in mechanical energy
38843
Why are there both Static and Kinetic Friction?
51275
What is force? How does a constant force output a nonconstant power?
138214
Why does a surface always exert force normal to it?
65059
Force applied off center on an object
144024
Is torque as fundamental a concept as force?
13068
Understanding Normal Force Change