2. A 20.-newton weight is attached to a spring causing it to stretch, as shown in the diagram below. Unstretched spring Stretched spring 0.50 m 1.00 m 20. N What is the spring constant of this spring? (1) 0.050 N/m (2) 0.25 N/m (3) 20. N/m (4) 40. N/m
Simple harmonic motion
Simple harmonic motion is a type of periodic motion in which an object undergoes oscillatory motion. The restoring force exerted by the object exhibiting SHM is proportional to the displacement from the equilibrium position. The force is directed towards the mean position. We see many examples of SHM around us, common ones are the motion of a pendulum, spring and vibration of strings in musical instruments, and so on.
Simple Pendulum
A simple pendulum comprises a heavy mass (called bob) attached to one end of the weightless and flexible string.
Oscillation
In Physics, oscillation means a repetitive motion that happens in a variation with respect to time. There is usually a central value, where the object would be at rest. Additionally, there are two or more positions between which the repetitive motion takes place. In mathematics, oscillations can also be described as vibrations. The most common examples of oscillation that is seen in daily lives include the alternating current (AC) or the motion of a moving pendulum.
![45. G
42. A 20.-newton weight is attached to a spring
causing it to stretch, as shown in the diagram
below.
ar
sp
Unstretched spring
Stretched spring
0.50 m
1.00 m
20. N
What is the spring constant of this spring?
46.
(1) 0.050 N/m
(2) 0.25 N/m
(3) 20. N/m
(4) 40. N/m
43. The graph below shows the relationship
between the elongation of a spring and the
force applied to the spring causing it to stretch.
Elongation vs. Applied Force
47
0.60
E 0.50
0.40
0.30
0.20
0.10
10.
20.
30.
Force (N)
What is the spring constant for this spring?
(1) 0.020 N/m
(2) 2.0 N/m
(3) 25 N/m
(4) 50. N/m
44. A mass hanger is attached to a spring, as shown
in the diagrams below.
О ст-
O cm-
12 cm-
0.20 kg
Meter
stick
H-
1 cm-
13 cm-
Loaded
Unloaded
What is the magnitude of the displacement of
the mass hanger H after a 0.20-kilogram mass
is loaded on it? [Assume the hanger is at rest in
both positions.]
Elongation (m)
lelbe
Force appled](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F649cdc5e-830f-42bf-9af1-64cad80bdddf%2F6d1ca822-8268-4830-80a6-bd43a0b9f135%2Fzgfe8je_processed.jpeg&w=3840&q=75)
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