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Equations of Motion: Rotation about a Fixed Axis

Select the answer for each of the following questions, then press "Mark" at the bottom of the page to receive feedback.
A pen and paper may be required to assist in the answering of some questions.
Questions beginning with "cont...." follow on from the previous question.

1) The disk has a mass of 100kg. Determine its angular acceleration in t = 2s starting from rest.

a = ?

One answer only.

   1 rad/s2
   2 rad/s2
   4 rad/s2
   8 rad/s2



2) cont....What is the angular velocity of the disk in t = 2s?

w = ? rad/s

Type your answer in the textarea below.



3) Determine the angular acceleration of the 100kg slender rod at the instant shown. The bar is initially at rest.

a = ?

One answer only.

   0 rad/s2
   6 rad/s2
   12 rad/s2
   24 rad/s2



4) cont....What is the horizontal reaction at the pin A?

AX = ?

One answer only.

   0 N
   300 N
   600 N
   1200 N


5) cont....What is the vertical reaction at the pin?

AY = ?

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This test has been created using the CASTLE Toolkit