Questions and Verified Answers
100% Correct Grade A+
1. A)Post A
The weight is distributed more on the side of post A, Therefore, it is holding up the
greatest part of the load.
Answer: Which post holds up the greater part of the load?
A- Post A
B- Post B
C- Both equal
D- Not clear
2. C)Neither of the other gears
Because of the way the gears are meshed, both gear 1 and gear 3 will move in the opposite
direction of gear 2.
Answer: Which of the other gears is moving in the same direction as gear 2?
A) Gear 1
,B) Gear 3
C) Neither of the other gears
D) Both of the other gears
3. A)A
Pulley A is the smallest gear. Therefore, it must turn faster (make more revo- lutions per
minute).
Answer: In this arrangement of pulleys, which pulley turns fastest?
A) A
B) B
C) C
D) D
4. A)Once
The single lobe on cam A will cause the setscrew to hit the contact point once during the
cam's revolution.
Answer: As cam A makes one complete turn in the figure above, the setscrew will hit the
contact point
A) Once
,B) Twice
C) Three Times
D) Not At All
5. A)21
Since gear A has 15 teeth and gear B has 10 teeth, gear A is 1.5 the size of gear B.Therefore
14 x 1.5 = 21.
Answer: 1. When gear A makes 14 revolutions, how many revolutions will gear B make?
A) 21
B) 17
C) 14
D) 9
6. B)Metal Spoon
Metal will feel coldest out of paper, wood, and the fabric of a blanket.
Answer: If all of the following objects are at room temperature, which will feel coldest?
A) Book
, B) Metal Spoon
C) Wooden Chest
D) Blanket
7. C)Air pressure on top of the liquid
The siphon works, in part, because of air pressure on the top of t he liquid.
Answer: In
bucket by
Answer: the illustration above, liquid is being transferred from the barrel to the
A) The vacuum at the lower end of the hose
B) The difference between the fluid volumes in the barrel and bucket
C) Air pressure on top of the liquid
D) Capillary action
8. C)Move downward until it reaches the floor
Newton's Law of Motion states that a body at rest will stay at rest unless acted on by an
outside force. Conversely, a body in motion stays in motion unless acted on by are
anatoutside
rest
quilibrium
practically no
force. In this picture, both objects (equilibrium). When an outside force is added to weight
a pulley, with
d as indicated.
1, the e 1 will
changes, moving this weight downward. Because the pulley has friction,
the weight strikes the floor.