Question

describe how seismograph work​

Answer 1

Answer:

It works on the principle of a pendulum: a heavy, inert mass with a certain resistance to movement (i.e. inertia) due to its weight is suspended from a frame by a spring that allows movement.

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Answer 2

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How seismograph works

• Seismograph instruments are placed on the surface of the earth so, whenever the ground starts shaking the instrument's case moves.
• There is a seismometer inside the seismograph so,only seismograph instruments case moves while seismometer remains still without any movement.
• Seismograph instruments have a large powerful magnetic system for detection and case is wrapped with numerous coils of wire.
• When an earthquake happens the case moves in relative the magnet move and generates an electric signals to the wire which further sent to the computer to create a seismogram.