Page 404 - GMAT 2017b_Neatb

Mechanical Comprehension Test 2

117.In the diagram, Talia wants to lift a 90-pound block
using a lever. If the block is 10 feet from the pivot point
C and Talia is 8 feet beyond that, how much force must
B she apply to lift the block?
(A) 45 pounds
A
(B) 80 pounds
(C) 90 pounds
(D) 50 pounds

118. Which material is best suited for building a raft?
(A) metal
(B) wood
(C) glass
(D) concrete
114.Three trucks are parked on an incline. Their centers of
gravity are marked by dots. Which truck is most likely to 119.A single-speed bicycle has a front chain ring with 48
tip over? teeth and a back gear with 12 teeth. If the bicycle is
(A) truck A pedaled at 90 rpm, how fast will the rear wheel turn?
(B) truck B (A) 15 rpm
(C) truck C (B) 90 rpm
(D) All trucks are stable. (C) 180 rpm
(D) 360 rpm

A B C
D

115.The cable supporting the arm of the crane is attached to A B C
the arm in four different positions. In which position is
the cable strained the most? 120. Which of the following pulley systems offers the least
(A) cable A mechanical advantage?
(B) cable B (A) A
(C) cable C (B) B
(D) cable D (C) C
(D) They all offer the same advantage.
116.A steel block has a density of 0.3 pounds per cubic inch.
¢¢ ¢¢
Its dimensions are 2¢¢ ´ 2 ´ 5 . What is the weight of the pivot point 100 pounds
block? 50 pounds
(A) 6 pounds
(B) 10 pounds
(C) 20 pounds
(D) 27 pounds

8 feet x

10 feet 8 feet 121. In the diagram, two blocks are balanced on either side
of a lever. One block weighs 50 pounds and the other
weighs 100 pounds. If the 50-pound block is 8 feet to
the left of the pivot point, how far to the right of the
90 pounds
pivot point is the 100 pound block?
(A) 2 feet
(B) 4 feet
(C) 8 feet
(D) 15 feet

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