A uniform rod of length 3 m has a weight of 40 N. if it is balanced on a pivot with a load of 10 N placed at one end .what will be the distance between th pivot and the load be?

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.