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WorksheetsRotational of Rigid body DP014
Total questions: 12
Worksheet time: 14mins
Angle undergoes from a fixed reference line =
Average angular velocity, 𝝎_𝒂𝒗
Angular displacement,𝜽
Instantaneous angular velocity, 𝝎
angular acceleration
Rate of change of angular displacement =
Angular displacement,𝜽
angular acceleration
Average angular velocity, 𝝎_𝒂𝒗
Instantaneous angular velocity, 𝝎
Angular acceleration at a specified position or at a particular of time =
Average angular velocity, 𝝎_𝒂𝒗
Angular displacement,𝜽
Instantaneous angular acceleration, 𝜶
Instantaneous angular velocity, 𝝎
A body with a definite shape that doesn't change is:
period
angular acceleration
rigid body
radius of gyration
Below are the example of rigid body except:
Beam
Slab
Cement
Column
An object is moving with uniform speed in a counterclockwise, horizontal circle. Which of the following images correctly depicts the force vector and velocity vector at a point in time.
Find the angular displacement of the wheel after a duration of 1.5 s if the initial angular speed and angular acceleration are 0.6 rad s-1 and 1.0 rad s-2.
3 rad
2 rad
1 rad
4 rad
Find the linear displacement of the 2 m radius wheel after a duration of 3 s if the initial angular speed and angular acceleration are 0.5 rad s-1 and 1.5 rad s-2.
16.5 m
8.3 m
33 m
4.2 m
The linear velocity of the moving 3 cm radius ball after 5 s is 0.1 m s-1. Find the initial angular speed of the ball if the angular acceleration is 0.01 rad s-2.
3.3 rad s-1
0.4 rad s-1
2.6 rad s-1
5.7 rad s-1
The final angular velocity of a moving wheel barrel is 30 rad s-1. Find the initial angular speed if the angular acceleration and the angular displacement are 10 rad s-2 and 45 rad respectively.
start from rest
20 rad s-1
3 rad s-1
0.5 rad s-1
