100N of force are exerted on a wire with cross-sectional area 0.50mm2. How much stress is being exerted on the wire?
a. 200000000 Pa
b. 230000 Pa
c. 50000000 Pa
d. 36000000 Pa
stress = force/area = 100 N/ .5mm^2 = 200000000 newton/meter^2 (Pa)