Page 395 - GMAT 2017b_Neatb

Mechanical Comprehension Test 2

50. Using the pulley system shown here, how much force is (C) 8:00 A.M.
required to lift a 150-pound weight? (D) 8:30 A.M.
(A) 25 pounds
(B) 50 pounds 60 pounds x feet
(C) 75 pounds
(D) 100 pounds

8 feet 240 pounds

A
54. A 240-pound block is being pulled up an incline by a
10 feet pulley. The incline rises 8 feet. Neglecting friction, if
60 pounds of force is necessary to move the block up
the incline, how long is the incline?
B
(A) 60 feet
(B) 32 feet
51. Two blocks of equal weight are suspended by a pulley. (C) 16 feet
The blocks are 10 vertical feet apart. How far must (D) 30 feet
block A be pulled down to be at equal height with block
B?
(A) 5 feet
(B) 10 feet
(C) 15 feet
(D) 20 feet

3

1 2

55. What is the mechanical advantage of the pulley system
shown here?
4
(A) 1
(B) 2
(C) 3
(D) 4
52. If gear 2 turns counterclockwise, which other gear(s), if
any, will turn clockwise? 200 pounds
(A) 1 only
(B) 3 only
(C) 3 and 4 only
(D) 1, 3 and 4
8 feet 12 feet
53. Lenny leaves camp at 6:00 A.M. and jogs north at 8
mph. George leaves camp half an hour later and follows 56. In the diagram, Cory wants to lift a block using a lever.
the same path as Lenny at 10 mph. At what time will The block is 8 feet from the pivot point and Cory is 12
George catch Lenny? feet from the pivot point. If it takes 200 pounds of
(A) 7:00 A.M. force to lift the lock, how much does it weigh?
(B) 7:30 A.M.

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