Una masa de 4kg esta abajo la acción de una fuerza resultante de (a)4 N (b) 8N y (c) 12 N ¿Cuáles son las aceleraciones resultantes?

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final