Which of the following statements about the motion of planetary satellites is true? ^^^

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.

If forces acting on an object are unbalanced. true or false

What kind of simple machine is a catapult?