AEM 264 - Dynamics Final Exam study Questions
and Answers
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Terms in this set (170)
In dynamics, a particle is B) only a mass
assumed to have:
A) both translation and
rotational motions
B) only a mass
C) a mass but the size and
shape cannot be
neglected
D) no mass or size or
shape, it is just a point
The average speed is C) sT/Dt (total distance/change in time)
defined as __________.
A) Dr/Dt
B) Ds/Dt
C) sT/Dt
D) None of the above.
,A particle moves along a D) 1.6 m/s2 to the left.
horizontal path with its
velocity varying with time (-5-3)/(7-2) = -8/5
as listed below. The
average acceleration of
the particle is _________.
At t=2s the particle is
moving 3 m/s to the right,
at t=7s the particle is
moving 5 m/s to the left.
A) 0.4 m/s2 to the right
B) 0.4 m/s2 to the left
C)1.6 m/s2® to the right
D)1.6 m/s2 to the left
A particle has an initial D) 0 ft/
velocity of 30 ft/s to the
left. If it then passes
through the same location
5 seconds later with a
velocity of 50 ft/s to the
right, the average velocity
of the particle during the
5 s time interval is _______.
A) 10 ft/s to the right
B) 40 ft/s to the right
C) 16 m/s to the right
D) 0 ft/s
,A particle has an initial A) 0.0 ft
velocity of 3 ft/s to the left
at s0 = 0 ft. Determine its -3(3) + (1/2)(2)(3)^2 = 0
position when t = 3 s if the
acceleration is 2 ft/s2 to
the right.
A) 0.0 ft
B) 6.0 ft to the left
C)18.0 ft to the right
D)9.0 ft to the right
A particle is moving with B) 100 ft
an initial velocity of v = 12
ft/s and constant
acceleration of 3.78 ft/s2
in the same direction as
the velocity. Determine
the distance the particle
has traveled when the
velocity reaches 30 ft/s.
A) 50 ft
B) 100 ft
C)150 ft
D)200 ft
The slope of a v-t graph at B) acceleration.
any instant represents
instantaneous
A) velocity.
B) acceleration.
C) position.
D) jerk.
, Displacement of a particle C) v-t
over a given time interval
equals the area under the
___ graph during that time.
A) a-t
B) a-s
C) v-t
C) s-t
Graph shows a t-a graph, B) 100 m/s
linearlly: at t=0, a = 10 D) 40 s
m/s^2 and at t = 20 s, a = 0
m/s^2
If a particle starts from
rest and
accelerates according to
the graph
shown, the particle's
velocity at
t = 20 s is_______. At what
time does the particle
stop moving?
A) 200 m/s
B) 100 m/s
C) 0
D) 20 m/s
A) 10 s
B) 20 s
C) 30 s
D) 40 s
and Answers
Save
Terms in this set (170)
In dynamics, a particle is B) only a mass
assumed to have:
A) both translation and
rotational motions
B) only a mass
C) a mass but the size and
shape cannot be
neglected
D) no mass or size or
shape, it is just a point
The average speed is C) sT/Dt (total distance/change in time)
defined as __________.
A) Dr/Dt
B) Ds/Dt
C) sT/Dt
D) None of the above.
,A particle moves along a D) 1.6 m/s2 to the left.
horizontal path with its
velocity varying with time (-5-3)/(7-2) = -8/5
as listed below. The
average acceleration of
the particle is _________.
At t=2s the particle is
moving 3 m/s to the right,
at t=7s the particle is
moving 5 m/s to the left.
A) 0.4 m/s2 to the right
B) 0.4 m/s2 to the left
C)1.6 m/s2® to the right
D)1.6 m/s2 to the left
A particle has an initial D) 0 ft/
velocity of 30 ft/s to the
left. If it then passes
through the same location
5 seconds later with a
velocity of 50 ft/s to the
right, the average velocity
of the particle during the
5 s time interval is _______.
A) 10 ft/s to the right
B) 40 ft/s to the right
C) 16 m/s to the right
D) 0 ft/s
,A particle has an initial A) 0.0 ft
velocity of 3 ft/s to the left
at s0 = 0 ft. Determine its -3(3) + (1/2)(2)(3)^2 = 0
position when t = 3 s if the
acceleration is 2 ft/s2 to
the right.
A) 0.0 ft
B) 6.0 ft to the left
C)18.0 ft to the right
D)9.0 ft to the right
A particle is moving with B) 100 ft
an initial velocity of v = 12
ft/s and constant
acceleration of 3.78 ft/s2
in the same direction as
the velocity. Determine
the distance the particle
has traveled when the
velocity reaches 30 ft/s.
A) 50 ft
B) 100 ft
C)150 ft
D)200 ft
The slope of a v-t graph at B) acceleration.
any instant represents
instantaneous
A) velocity.
B) acceleration.
C) position.
D) jerk.
, Displacement of a particle C) v-t
over a given time interval
equals the area under the
___ graph during that time.
A) a-t
B) a-s
C) v-t
C) s-t
Graph shows a t-a graph, B) 100 m/s
linearlly: at t=0, a = 10 D) 40 s
m/s^2 and at t = 20 s, a = 0
m/s^2
If a particle starts from
rest and
accelerates according to
the graph
shown, the particle's
velocity at
t = 20 s is_______. At what
time does the particle
stop moving?
A) 200 m/s
B) 100 m/s
C) 0
D) 20 m/s
A) 10 s
B) 20 s
C) 30 s
D) 40 s
