Respuesta :
Answer:
The principle of work and kinetic energy (also known as the work-energy theorem) states that the work done by the sum of all forces acting on a particle equals the change in the kinetic energy of the particle.
Answer:
×1+x2/2,y1+y2/2
summation of p= summationof m×v cm
torque is the product of f and perpendicular distance of f from the line of action itsunitsr newton metre
Explanation: