Force is a physical quantity that describes the interaction between two objects. It can be defined as any push or pull on an object that causes it to accelerate or change its state of motion.
Force is measured in units called Newtons (N). One Newton is equal to the force required to accelerate a mass of one kilogram by one meter per second squared (1 kg*m/s^2).
Force can be calculated by multiplying the mass of an object by its acceleration. The formula for force is F=ma, where F represents force, m represents mass, and a represents acceleration.
Restricted motion refers to the limitation of an object's movement in a particular direction or along a specific path. This can be caused by factors such as friction, gravity, or external forces acting on the object.
To calculate force from restricted motion, you need to first determine the net force acting on the object. This can be done by considering all the external forces acting on the object and their respective directions. Then, use the formula F=ma to calculate the force, where m is the mass of the object and a is the acceleration determined from the net force.