Page 390 - GMAT 2017b_Neatb

Mechanical Comprehension Test 2

16. Using the pulley system shown here, how much force
is required to lift a 200-pound weight?
(A) 50 pounds
(B) 100 pounds
(C) 150 pounds
(D) 200 pounds

17. An ax is a form of what simple machine?
(A) a lever
(B) a pulley
(C) an inclined plane
(D) a gear

14. A series of springs with force constants of 2, 3 and 6
pounds per inch support a platform. When a 6-pound
block is lowered onto it, how many inches does the
platform compress?
(A) 4 inches
(B) 5 inches
(C) 6 inches
(D) 7 inches
18. What is the mechanical advantage of the pulley
system shown here?
180 pounds (A) 1
(B) 2
(C) 3
(D) 4

4 feet 9 feet
15. In the diagram shown here, Dave wants to lift a 180-
pound block using a lever. If the block is 4 feet from the
pivot point and Dave is 9 feet from the pivot point, how
much force must he apply to lift the block? 1 2
(A) 36 pounds
(B) 80 pounds
(C) 120 pounds
(D) 180 pounds

3

19. If gear 1 turns clockwise, which other gear(s), if any, l
also turn clockwise?
(A) 2 only
(B) 3 only
(C) 2 and 3
(D) none

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