
The earth spins about its axis from
A. West to east
B. East to west
C. North to south
D. South to north
Answer
502.2k+ views
Hint: In the above question we know that we have to find that earth spins about its axis from which direction so first we will discuss what is this movement of earth? When earth moves on its own axis it is called rotation of the earth but let's see how this rotation takes place.
Complete step-by-step solution:
In the above question we have to find the that if Earth spins about its axis on which direction
So, let us imagine a line passing through the center of Earth which goes through both the North Pole and the South Pole. This imaginary line is known as the axis. Earth spins around its own axis, just as a top spin around its spindle. This spinning movement of earth is called Earth’s rotation. At the same time that the Earth spins on its axis, it also orbits, or revolves around the Sun. This movement of earth is called revolution. A pendulum set in the motion will not change its motion, and so the direction of its swinging would also not change. However, Foucault, a scientist, observed that his pendulum seemed to change direction. Since he already knew that the pendulum could not change its motion, he concluded that the Earth, under the pendulum, was moving. An observer in space can see that Earth requires 23 hours, 56 minutes, and 4 seconds to make one complete rotation on its axis. But because Earth moves around the Sun at the same time while it is rotating, the planet must turn just a little bit more to reach the same place relative to the Sun. Hence the length of a day on Earth is actually 24 hours. At the equator, the Earth rotates at a speed of about 1,700 km per hour, but at the poles the movement speed is nearly nothing.
So, we can say that earth spins about its axis from west to east.
So, Correct Option is A.
Note:In the above question where we had to find the direction of earth’s movement we got to know that earth spins on its own axis that is the rotation of earth from west direction to east direction but when earth is viewed from north pole earth’s movement will be counter clockwise.
Complete step-by-step solution:
In the above question we have to find the that if Earth spins about its axis on which direction
So, let us imagine a line passing through the center of Earth which goes through both the North Pole and the South Pole. This imaginary line is known as the axis. Earth spins around its own axis, just as a top spin around its spindle. This spinning movement of earth is called Earth’s rotation. At the same time that the Earth spins on its axis, it also orbits, or revolves around the Sun. This movement of earth is called revolution. A pendulum set in the motion will not change its motion, and so the direction of its swinging would also not change. However, Foucault, a scientist, observed that his pendulum seemed to change direction. Since he already knew that the pendulum could not change its motion, he concluded that the Earth, under the pendulum, was moving. An observer in space can see that Earth requires 23 hours, 56 minutes, and 4 seconds to make one complete rotation on its axis. But because Earth moves around the Sun at the same time while it is rotating, the planet must turn just a little bit more to reach the same place relative to the Sun. Hence the length of a day on Earth is actually 24 hours. At the equator, the Earth rotates at a speed of about 1,700 km per hour, but at the poles the movement speed is nearly nothing.
So, we can say that earth spins about its axis from west to east.
So, Correct Option is A.
Note:In the above question where we had to find the direction of earth’s movement we got to know that earth spins on its own axis that is the rotation of earth from west direction to east direction but when earth is viewed from north pole earth’s movement will be counter clockwise.
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