What Is R In Free Body Diagram? R -> Contact force between table and book. (2) Free body diagram for a object slowing down with friction on a horizontal floor. mg -> Weight of the book. R -> Contact force between table and book. f -> Friction force between the object and horizontal floor. What
What Are The Three Forces Of Body? Forces due to gravity, electric fields and magnetic fields are examples of body forces. Body forces contrast with contact forces or surface forces which are exerted to the surface of an object. Normal forces and shear forces between objects are surface forces as they are exerted to the
What Forces Act On A Car Going Down A Ramp? When a car is on a ramp, a component or part of the force of gravity acts parallel to the ramp, causing the car to speed up, or accelerate down the ramp. … In most cases, moving objects do not travel at a constant speed.