What is the momentum of a 950kg car moving at 10.0m/s

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.

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?