3. suppose that a block is pulled 16 meters across a floor. what amount of work is done if the force used to drag the block is 22 n?
a. 3303
b. 200
c.3523
d. 2203

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.