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WorksheetsRotational Kinematics & Dynamics
Total questions: 15
Worksheet time: 4hrs 45mins
1.8 s
2.0 s
16 s
18 s
9.6 rad/s2
4.8 rad/s2
3.1 rad/s2
1.6 rad/s2
A gear spins at a rate of 400 revolutions/minute. Which choice is closest to its angular speed in radians/second?
6.67 rad/s
2500 rad/s
41.9 rad/s
20.9 rad/s
5.01 rad/s
50.27 rad/s
2.83 rad/s
7.09 rad/s
What is 2 radians in degrees?
57.3
114.6
26.65
What is the angular displacement in radians if a paint spot on a tire turns from 57.3 degrees to 282 degrees?
12834 rad
224.7 rad
3.9 rad
180 rad
What is the average angular velocity in radians if a paint spot on a tire turns from 57.3 degrees to 282 degrees in 0.5 sec?
25668 rad/s
7.8 rad/s
449 rad/s
1.95 rad/s
The number of complete revolutions per second is:
frequency
period
torque
rotational inertia
7.5 Nm
1.5 Nm
750 Nm
150 Nm
Near the hinges
In the middle of the door
At the edge of the door far from the hinges
At the top of the door
If the torque required to loosen a nut on the wheel of a car has a magnitude of 60.0 Nm, what minimum perpendicular force must be exerted by a mechanic at the end of a 45.0 cm wrench to loosen the nut?
2700 N
133 N
27 N
1.3 N
5 N
10 N
15 N
20 N
5 N
10 N
15 N
20 N
Clockwise
Counter clockwise
Neither
An arm with a longer forearm
An arm with a shorter forearm
The length doesn't matter
