Questions 7,8,9,10 explanations

in the figure below, which force on the wrench exerts the greatest magnitude of torque about the bolt ? 2F 30 2F 21 In the diagram, two balls of mass M1=10 kg and M2=30 kg are attached to a string rotating around a common center point (the black dot in the middle). M2 rotates with an angular velocity of 5 rad/s . R1 is 4 m and R2 is 20 m . 8 What is the direction of the angular velocity of the RI R2 mass M2? M1 O O M2 A. Up B. Down C. Left D. Right E Into the Page Out of the Page (Bubble AB) What is the angular velocity of mass M1? A. 2 rad/s B. 5 rad/s . 10 rad/s D. 20 rad/s E. 50 rad/s 10. What is the tangential speed of M1? A. 5 m/s B. 20 m/s C 50 m/s D. 10 m/s 2000 m/s