[填空题]
The force on an object, acting alon+b(ctaxyotd jf (20w/7pb ds-g the x adao6,z8gr28 mfr 0 tzlxis, varies as shown in Fig. 6–37. Determine the work done by this force to move th dmtroz, 06a82gl8rfze object (a) from x=0 m to x = 10 m J
(b) from x = 0 m to x = 15 m J