BARU
Ukuran huruf
Lembar kerja9 Deformation
Total soal: 18
Worksheet time: 8mins
A
B
C
D
What is the spring constant of a spring?
force per unit extension
product of force and extension
force per unit extension square
extension per unit force
Which shaded area represents the work done when the extension is increased from x1 to x2?
A
B
C
D
60J, 7.5Nm-1
300J, 1.3x10-6 Nm-1
600 J, 1.3x10-6 Nm-1
600J, 7.5x105Nm-1,
What is the extension of each of the arrangements.
x and x respectively
2x and ½ x respectively
½ x and 2x respectively
2x and x respectively
A
B
C
D
0.040 cm
1.4 cm
2.0 cm
20 cm
A
B
C
D
A
B
C
D
What does the gradient m and area A under the graph represent for a stress versus strain graph?
m = spring constant, A = work done
m = Young modulus, A = work done
m = Young modulus, A = work done per unit volume
m = work done, A = Young modulus
both elastic and plastic
elastic but not plastic
plastic but not elastic
not elastic and not plastic
A
B
C
D
X
X + Y
Y + Z
Z
A
B
C
D
2 x 1010N m-2
4 x 1010N m-2
2 x 1011N m-2
4 x 1011N m-2
A wire has a final length of 6.0m after undergoing a strain of 200%.
What is the original length of the wire?
1.5m
2.0m
3.0m
4.0m
less than 100 J
100 J
between 100 J and 200 J
more than 200 J
7.1x10-14 Pa
7.1x10-2 Pa
5.7x106 Pa
5.7x109 Pa
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