A. 8kg, 8N
B. 1kg, 10N
C. 64kg, 10N
D. 8kg, 10N

Correct Answer: Option D

D. 8kg, 10N

Explanation

m = 8kg, wt = 80 x 1/8 = 10N

SEE ALSO  A metal sheet of area 100cm² was heated through 70°C. Calculate its new area if the linear expansivity of the metal is 0.000017k‾¹

Copyright warnings! Do not copy.