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payshencec21
02.02.2021 •
Physics
Determine the amount of torque
applied by a 1.0 m long pry bar with
250 N of force acting on it. Assume
that the angle is 90°.
Solved
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Ответ:
250Nm
Explanation:
Given parameters:
Length of the long pry bar = 1m
Force acting on it = 250N
Angle = 90°
Unknown:
Amount of torque applied = ?
Solution:
Torque is the turning force on a body that causes the rotation of the body.
The formula is given as:
Torque = Force x r Sin Ф
r is the distance
So;
Torque = 250 x 1 x sin 90 = 250Nm
Ответ:
What happens when you increase the frequency of a wave?
The number of complete wavelengths in a given unit of time is called frequency (f). As a wavelength increases in size, its frequency and energy (E) decrease. From these equations you may realize that as the frequency increases, the wavelength gets shorter. As the frequency decreases, the wavelength gets longer.
The Electromagnetic Spectrum
Explanation: