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c©fzks
fzksWorksheet 2018 #2 form 4
measurement 21 1/4 hour This document consists of 7 pages. 0 MARKS
ANSWER ALL QUESTIONS
NAME & CLASS
1. The volume of an irregular solid can be measured using a 100 cm3 measuring cylinder.
Figure 1.1: Measuring volume of irregular solid
(a) Why should the measuring cylinder be at least half filled?
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(b) Write down the volume of water
volume of water = ................................... []
(c) Write down the volume of water and stone
volume of water and stone = ................................... []
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Question 1 continues. . . form 4 Worksheet 2018 #2
(d) Describe the steps required to find the volume of an irregular solid.
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(e) Write down three precautions that must be taken.
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2. What is the difference between analogue and digital?
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(a) Record the following readings on the 60 s stopwatch- [ignore the needles’ position on 0]
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Question 2 continues. . . form 4 Worksheet 2018 #2
Figure 2.1
(b) Record the following readings on the 30 s stopwatch- [ignore the needles’ position on 0]
3. What is a pendulum?
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(a) Label on the figure below: amplitude, mean/rest, one oscillation
(b) Define frequency, f of oscillation and give its unit.
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(c) Define the term time period, T
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Question 3 continues. . . form 4 Worksheet 2018 #2
Figure 2.2
(d) Hence deduce that f = 1T
(e) The time period of an oscillation is 4 seconds. Find the freqency.
frequency = ................................... []
(f) The time period of an oscillation is 2 seconds. Find the freqency.
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Question 3 continues. . . form 4 Worksheet 2018 #2
Figure 3.1
frequency = ................................... []
(g) The time period of an oscillation is 0.1 seconds. Find the freqency.
frequency = ................................... []
(h) The frequency of an oscillation is 10 Hz. Find the time period, T .
T = ................................... []
(i) The frequency of an oscillation is 10 Hz. Find the time period, T .
T = ................................... []
(j) The frequency of an oscillation is 25 Hz. Find the time period, T .
T = ................................... []
(k) The time taken for a pendulum to move from the amplitude to the mean position is 0.3 s. Calculatethe time period and the frequency.
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Question 3 continues. . . form 4 Worksheet 2018 #2
Time period = ...................................
frequency = ................................... []
(l) The time taken for a pendulum to move from the amplitude to the mean position is 0.4 s. Calculatethe time period and the frequency.
Time period = ...................................
frequency = ................................... []
(m) The time taken for a pendulum to move from the amplitude to the mean position is 1.5 s. Calculatethe time period and the frequency.
Time period = ...................................
frequency = ................................... []
(n) The time taken for a pendulum to move from the amplitude to the other amplitude position is2.5 s. Calculate the time period and the frequency.
Time period = ...................................
frequency = ................................... []
(o) The time taken for a pendulum to move from the amplitude to the other amplitude position is 5 s.Calculate the time period and the frequency.
Time period = ...................................
frequency = ................................... []
(p) The time taken for a pendulum to move from the amplitude to the other amplitude position is0.02 s. Calculate the time period and the frequency.
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c©fzks form 4 Worksheet 2018 #2
Time period = ...................................
frequency = ................................... []
4. Fill in the blanks
Kinematics is the study of . We always use speed=distance over
time. This equation is used only when speed is . Acceleration is in
velocity over . is decrease in velocity time.
5. Draw graphs for the following:
(a) Body accelerates for 5 s and then moves with constant speed before decelerating to rest
(b) Body moves at constant speed for 10 seconds and then accelerates for 8 seconds before deceleratingto rest
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