銘傳大學九十二學年度管理研究所碩士班招生考試
(
甲組
)
第一節
普通物理學
試題
單選題
100% (
每題
2
分
)
可使用計算機
1.
A nanosecond is
a) 10
9
s
b) 10
3
s
c)10
6
s
d)10
9
s
e)10
6
s
2.
A ball rolls up a slope. At the end of three seconds its velocity is 20 cm/s; at the
end of eight seconds its velocity is 0 cm/s. What is the acerage acceleration (in
cm/s2) from the third to the eighth second?
a) 2.5
b) 4.0
c) 5.0
d) 6.0
e) 7.0
3.
As a rocket is accelerating vertically upward at 9.8 m/s
2
near the Earth’s surface,
it releases a projectile. Immediately after release the acceleration (in m/s2) of the
projectile is: a) 9.8 down
b) 0
c) 9.8up
d) 19.6 up
e) none of
the above
4.
The velocity of a projectile equals its initial velocity added to: a) a constant
horizontal velocity
b) a constant vertical velocity
c) a constantly increasing
horizontal velocity
d) a constantly increasing downward velocity
e) a
constant velocity directed at the target.
5.
In principle, a force is measured by measuring the ________, when the force is
applied to it.
a) velocity of the standard kilogram
b) speed of the standard
kilogram
c) velocity of any object
d) acceleration of the standard kilogram
e)acceleration of any object.
6.
A Newton is the force:
a) of gravity on a 1kg body
b) of gravity on a 1g
body
c) that gives a 1g body an acceleration of 1 cm/s
2
d) that gives a 1kg
body an acceleration of 1 m/s
2
e) that gives a 1g body an acceleration of 9.8
m/s
2
7.
A32N force, parallel to the incline, is required to push a certain crate at constant
velocity up a frictionless incline that is 30?above the horizontal. The mass of the
crate is: a) 3.3kg
b) 3.5kg
c) 5.7kg
d) 6.5kg
e) 160kg
8.
A horizontal force of 12 N pushes a 0.5kg block against a vertical wall. The
block is initially at rest. If m/s=0.6 and m/k=0.8 which of the following is true? a)
The frictional force is 4.9N
b) The frictional force is 7.2 N
c) The normal
force is 4.9 N
d) The block will start moving and accelerate
e) If started
moving downward, the block will decelerate
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View Full Document9.
The system shown remains at rest. The force of friction on the upper block is: a)
4N
b) 8N
c) 12N
d) 16N
e) 20N
w=20N
a=3
m
b=4
m
10.
Which of the following is NOT a correct unit for work ?
a)erg
b)ft
•
lb
c)watt
d)newton
•
meter
e)joule
11.
A 2kg particle on the end of an ideal spring is pulled out 0.5m and released
from rest. The spring constant is 200 N/m. When the particle passes the point
where the spring force is zero its speed is
a) 0
b) 0.05m/s
c) 5 m/s
d)
10m/s
e) 100m/s
12.
A kilowatt hour is a unit of :
a) power
b)energy/time
c) work
d)
power/time
e) force/distance
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 Spring '08
 ERSKINE/TSOI
 Energy, Force, Kinetic Energy, Potential Energy

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