Question

Find the work in foot-pounds ) done by a force of 5 pounds acting in the direction 2i +j in moving an object 3 feet from (0,0) to (0,3) Answer = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) 47

Answer 1

Solutions - A unit vector along 27+ } is given by ů - 27+ 21 + (12)²+(1) ² 5 Force (F) = (5 pounds) 7 = (5 pounds) x. ziti = 155 pounds) (21+5) 55 Displacement (%) = (0-0)i'+ (3-0) beef 38

We know that work is given by, Work & ÊRŠ Us pounds) (2743)]. (33 teet) (305 boot-pound) [(27+3). ] (355 boot-pound) (2x0+ 141) = (3.55 foot-pound) x 1 - :. Works 3.55 foot-pound (answeo)