dynamic

i need the solution of these three questions after 3 hrs please 

Work should be legible (suitably large and suitably dark), neat and pages should be

stapled together in proper order.

• Write and draw BIG. You must draw complete free body diagrams, kinematic diagrams

(wherever necessary), forces and moment equations must be written as per defined sign

convention.

• Final answers must have proper unit.

• Please box your answers.