A compound pendulum experiment was carried out in the laboratory to determine the radius of gyration about a mass centre of a rigid body experiencing vibration under the action of gravity. (i) List the apparatus used for conducting this experiment. (ii) State three assumptions necessary in order to achieve a reliable result. b. The body is given a slight displacement without rotation and the result obtained from several test experiments which is tabuiated beiow Length of Mass Centre (L) Number of Oscillations (N) Time of Oscillations (t) 27.21 26.98 26.22 37 32 20 20 27 20 22 20 25.63 26.49 17 20 (1) Plot a graph of T against L (t) Plot a graph of TL against L? (面) Find the slope le nendulum

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A compound pendulum experiment was carried out in the laboratory to determine the radius
of gyration about a mass centre of a rigid body experiencing vibration under the action of
gravity.
(i) List the apparatus used for conducting this experiment.
(ii) State three assumptions necessary in order to achieve a reliable result.
b. The body is given a slight displacement without rotation and the result obtained from
several test experiments which is tabuiated below
Length of Mass Centre (L)
Time of Oscillations (t)
27.21
26.98
26.22
Number of Oscillations (N)
37
32
20
20
27
20
22
20
25.63
17
20
26.49
Plot a graph of T against L
(i)
Plot a graph of TL against L?
(h)
(i) Find the slope
Determine the length of equivalent simple pendulum
(iv)
Determine the radius of gyration of the body
(v)
Determine the acceleration due to gravity of the body.
(vi)
inding
Transcribed Image Text:A compound pendulum experiment was carried out in the laboratory to determine the radius of gyration about a mass centre of a rigid body experiencing vibration under the action of gravity. (i) List the apparatus used for conducting this experiment. (ii) State three assumptions necessary in order to achieve a reliable result. b. The body is given a slight displacement without rotation and the result obtained from several test experiments which is tabuiated below Length of Mass Centre (L) Time of Oscillations (t) 27.21 26.98 26.22 Number of Oscillations (N) 37 32 20 20 27 20 22 20 25.63 17 20 26.49 Plot a graph of T against L (i) Plot a graph of TL against L? (h) (i) Find the slope Determine the length of equivalent simple pendulum (iv) Determine the radius of gyration of the body (v) Determine the acceleration due to gravity of the body. (vi) inding
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