Table of Contents
- 1 How can tidal be used to generate electricity?
- 2 How does the tide generating power of the sun compare to that of the moon?
- 3 How is tidal energy used for generation of electric power discuss its merits and limitations?
- 4 How does the tide generating power of the sun compare to that of the moon quizlet?
- 5 Why is the Moon’s tidal force stronger than the tidal force of the sun?
- 6 Does the Earth exert a tidal force on the Moon?
- 7 What is the tidal generating force of the Sun?
- 8 What is the effect of distance on tidal forces?
How can tidal be used to generate electricity?
When the tide outside the barrier recedes the water retained can then be released through turbines, which generates electricity. Tidal stream generators draw energy from water currents in a similar way to wind turbines drawing energy from air currents.
How does the tide generating power of the sun compare to that of the moon?
Based on its mass, the sun’s gravitational attraction to the Earth is more than 177 times greater than that of the moon to the Earth. Therefore, the sun’s tide-generating force is about half that of the moon, and the moon is the dominant force affecting the Earth’s tides.
What would happen to the tidal forces the moon exerts on earth how would the forces change if the moon were moved to a position five times farther away than it is now?
Low tides would be lower and high tides would be higher and any low lying coastline would be flooded. If the Moon got much closer, say 20 times closer, it would exert a gravitational force 400 times greater than what we are used to.
What do the tidal forces do to the moon?
The tidal force causes water to bulge toward the moon and on the side opposite the moon. These bulges represent high tides.
How is tidal energy used for generation of electric power discuss its merits and limitations?
Advantages and Disadvantages of Tidal Energy A highly predictable energy source. High energy density. Operational and maintenance costs are low. An inexhaustible source of energy.
How does the tide generating power of the sun compare to that of the moon quizlet?
The Sun’s contribution to the tides is less than that of the Moon. The Moon exerts over twice the gravitational pull of the Sun on Earth’s tides because of its proximity to Earth.
How often tides occur and the difference in tidal levels depends on?
Timing the Tides Tides occur at different times each day because the Earth rotates more quickly than the moon revolves around the Earth. A. The sun also affects tides. The combined forces of the sun and the moon on Earth result in tidal ranges that vary based on the positions of the three bodies.
What is the tidal force of the Sun on the Earth?
Sun, Earth, and Moon
| Gravitational body causing tidal force | Tidal force | |
|---|---|---|
| Body | Mass (m) | |
| Sun | 1.99×1030 kg | 5.05×10−7 m⋅s−2 |
| Moon | 7.34×1022 kg | 1.10×10−6 m⋅s−2 |
| Earth | 5.97×1024 kg | 2.44×10−5 m⋅s−2 |
Why is the Moon’s tidal force stronger than the tidal force of the sun?
But the difference in those forces for the Sun is half that for the Moon. This is the nature of tidal forces. The Moon has a greater tidal effect because the fractional change in distance from the near side to the far side is so much greater for the Moon than it is for the Sun.
Does the Earth exert a tidal force on the Moon?
The gravitational forces the Moon and Sun exert are responsible for Earth’s rising and falling tides. Earth’s gravity also exerts forces on the Moon in the form of solid body tides that distort its shape.
What is the tidal force on the part of the Earth away from the Moon?
Gravity and inertia act in opposition on the Earth’s oceans, creating tidal bulges on opposite sites of the planet. On the “near” side of the Earth (the side facing the moon), the gravitational force of the moon pulls the ocean’s waters toward it, creating one bulge.
What is the source of tidal power?
Tidal power is the only form of energy which derives directly from the relative motions of the Earth–Moon sys- tem, and to a lesser extent from the Earth–Sun system. Tidal forces produced by the Moon and Sun, in combina- tion with Earth’s rotation, are responsible for the genera- tion of the tides.
What is the tidal generating force of the Sun?
Tidal generating forces vary inversely as the cube of the distance from the tide-generating object. This means that the sun’s tidal generating force is reduced by 390 3 (about 59 million times) compared to the tide-generating force of the moon.
What is the effect of distance on tidal forces?
The effect of distance on tidal forces is seen in the relationship between the sun, the moon, and the Earth’s waters. Our sun is 27 million times larger than our moon. Based on its mass, the sun’s gravitational attraction to the Earth is more than 177 times greater than that of the moon to the Earth.
What is the difference between lunar tide and solar tide?
During these Moon phases, the solar tide coincides with the lunar tide because the Sun and the Moon are aligned with Earth, and their gravitational forces combine to pull the ocean’s water in the same direction. These tides are known as spring tides or king tides.