Someone please help with this question. From my knowledge the answer I believe to be correct is 4Em but I’m still not so sure. Please explain! Answer choices:
1/2 Em
Em
2Em
4Em

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.

Explain what happens at the saturation point when adding salt to water at room temperature.

Find the mass by adding the numbers from the three sliders