The original force is 6000 N; the objects move to 1/4th of the original distance, one object loses y of its mass and the other ends at only 1/3 of its original mass.
What is the new force?

please help me

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

The dot diagram represents the motion of the motorcycle as it moves from left to right

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?