A force F = (y^2+2y+5) acts on a block in positive y – direction. Find the work done by this force during a displacement from y = –1 m to y = + 1 m

Q: A force F = (y^2 + 2y + 5) acts on a block in positive y – direction. Find the work done by this force during a displacement from y = –1 m to y = + 1 m

(a) 5 J

(b) 10.67 J

(c) 12.67 J

(d) Non-zero positive

Ans: (b) , (d)