What is one benefit of using tides for energy? Advantages of tidal energy: longevity of equipment Tidal power plants can last much longer than wind or solar farms, at around four times the longevity. Tidal barrages are long concrete structures usually built across river estuaries. What are two benefits of using tides for energy? List […]
When should I use planetary gears?
When should I use planetary gears? Generally, planetary gears are used as speed reducers. They are used to slow down motors and increase the torque. Torque is the working power of the machine. But we’ve seen our planetary gears turned around to be used as speed increasers, too. Why do automatic transmissions use planetary gears? […]
Which of the following is the best example of weathering?
Which of the following is the best example of weathering? The correct answer is (a) the cracking of rock caused by the freezing and thawing of water. What causes physical weathering quizlet? Physical weathering can be caused when rocks formed under pressure deep within the Earth become exposed at the surface. When overlaying material is […]
What happens when oil spills on land?
What happens when oil spills on land? As spilled oil on land prevents water absorption by the soil, spills on agricultural locations or grasslands have the effect of choking off plant life. Berms and trenches can be used to contain the spill, as long as their use does not allow the oil to leach into […]
What force is needed to accelerate a 1 kg object at a rate of 1 m sec2?
What are 5 facts about the sun?
Why does it occur when the brakes are applied suddenly?
Why does it occur when the brakes are applied suddenly? Answer: It is due to inertia of motion. When the driver of a fast moving car suddenly applies brakes the passengers in the car? When a moving bus suddenly applies brakes, the passengers sitting in it fall in the forward direction. This can be explained […]
Why are many rocks round?
Why are many rocks round? Maybe you’ve noticed that many of the rocks you see are rounded. These rocks’ jagged edges are a sign that they have fairly recently broken off from a larger block of rock. The reason for this is that over time, weathering tends to make rocks round. What are round rocks […]
What does an explosion shockwave feel like?
What does an explosion shockwave feel like? They feel a jolting sensation that is not like anything they’ve ever experienced before in their lives. It can be much more severe than that and produce unconsciousness and damage to the body. Some of that is related to other aspects of the explosion obviously. Do you feel […]
What are safety symbols?
What are safety symbols? Safety symbols, hazard symbols or safety labels are meaningful and recognizable graphical symbols that warn of or identify hazards associated with the location or item. What Colour is safety signs? Health and Safety (Safety Signs and Signals Regulations) 1996 Type Shape Colour WARNING SIGNS These signs give warning of potential risks […]