The. Is the time it takes for a wave to complete one cycle
2 answers:
Answer:
Time period
Explanation:
The time taken by a wave to complete one cycle is called the time period of a wave. It is denoted by T. The number of vibration per second is called the frequency of the wave.
The relation between the time period and the frequency is inverse i.e.
If the number of vibrations increases its time period will decrease.
Similarly, for a simple pendulum the time period to complete one cycle is :
l and g are length of pendulum and acceleration due to gravity.
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Answer:
The solution and the explanation are in the Explanation section.
Explanation:
According to the diagram that is in the attached image, the EFFORT force at point A and the load is at O point. The torque due to weight is:
TA = W * (a * cosθ)
The torque due to effort at C point is:
TC = E * (b * cosθ)
The net torque is equal to 0, we have:
Tnet = 0
W * (a * cosθ) - E * (b * cosθ) = 0
From the figure, you can observe that a/b < 1, thus E < W
