Abington Heights High School
Honors Physics
Rotational Kinematics - Practice Quiz 5
Select the answer that best completes the question.
1.
A car travels in a circular path with constant speed. Which one of the following quantities is constant and
non-zero
for this car?
A.
linear velocity
B.
angular velocity
C.
centripetal acceleration
D.
angular acceleration
E.
total acceleration
2.
Which statement concerning a wheel undergoing rolling motion is true?
A.
The angular acceleration of the wheel must be zero m/s
^{2}
.
B.
The tangential velocity is the same for all points on the wheel.
C.
The linear velocity for all points on the rim of the wheel is non-zero.
D.
The tangential velocity is the same for all points on the rim of the wheel.
E.
There is no slipping at the point where the wheel touches the surface on which it is rolling.
3.
A circular hoop rolls without slipping on a flat horizontal surface. Which one of the following is necessarily true?
A.
All points on the rim of the hoop have the same speed.
B.
All points on the rim of the hoop have the same velocity.
C.
Every point on the rim of the wheel has a different velocity.
D.
All points on the rim of the hoop have acceleration vectors that are tangent to the hoop.
E.
All points on the rim of the hoop have acceleration vectors that point toward the center of the hoop.
4.
A bicycle wheel of radius 0.70 m is turning at an angular speed of 6.3 rad/s as it rolls on a horizontal surface without slipping. What is the
linear speed
of the wheel?
A.
1.4 m/s
B.
28 m/s
C.
0.11 m/s
D.
4.4 m/s
E.
9.1 m/s
5.
A top is spinning counterclockwise as shown in the figure. It is also moving to the right with a linear speed
v
. What is the direction of the angular velocity?
A.
downward
B.
upward
C.
left
D.
right
E.
into the paper
6.
A car is moving along a horizontal road at a constant velocity that is directed 45° south of east. What is the direction of the angular velocity of the wheels of the car?
A.
45° south of west
B.
45° north of west
C.
45° south of east
D.
45° north of east
E.
due east
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