A mass on a spring in simple harmonic motion has amplitude A and period T. Assume the system has no loss of energy. At what point in the motion is: • velocity zero? [ Select] • acceleration zero? [ Select] • magnitude of the restoring force maximised? [ Select ]
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.
A mass on a spring in
(same drop down options for all the parts)
![A mass on a spring in simple harmonic motion has amplitude A and period T. Assume the system has no loss of energy. At what
point in the motion is:
velocity zero? [ Select ]
• acceleration zero? [ Select ]
• magnitude of the restoring force maximised? [ Select ]
• kinetic energy maximised? [ Select ]
potential energy minimised? [ Select ]
• total energy maximised? [ Select ]
V [ Select ]
X = A and x = -A
x is greater than 0, but
Question 5
less than A
X = 0
The history graph below is fc
ive x-direction).
x is less than 0 but greater
than -A
All of the above
None of the above
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