How do you use a pulley to multiply forces? To lift something four times heavier, you can use exactly the same force but only if you pull the rope four times further. If you look at what’s happening on both sides of a pulley, and multiply the force by the distance moved, you’ll find it’s […]
What Cannot be burned by fire?
What Cannot be burned by fire? Riddle: What can’t be burned in fire, nor drowned in water? Answer: Ice. What is a fire risk? A fire risk is the likelihood of a fire occurring and the consequences of that fire should one occur. 4. The legally defined Responsible Person under the Regulatory Reform (Fire Safety) […]
What note is 786 Hz?
What is Pascal law and its derivation?
What is Pascal law and its derivation? In the 1600’s, French scientist (Methematcian) Blaise Pascal (1623-1662) discovered one fact which is termed as Pascal’s Law. Pascal’s Law. According to Pascal’s Law, “Pressure or intensity of pressure at a point in a static. fluid will be equal in all directions”. What is Pascal’s law state its […]
What did Pythagoras believe about the earth?
What did Pythagoras believe about the earth? An astronomical system positing that the Earth, Moon, Sun and planets revolve around an unseen “Central Fire” was developed in the 5th century BC and has been attributed to the Pythagorean philosopher Philolaus. Did Pythagoras go crazy? One of Pythagoras’ strangest obsessions with food was his relationship to […]
Can you wire a 3 pin plug with 2 wires?
Does ozone kill bugs?
Does ozone kill bugs? This extra oxygen atom gives the molecule its ozone gas a very effective and powerful oxidizing power to kill insects, mold spores, mold growth, and odors such as pet odors and smoking odors. Bug-killing ozone gas returns to normal oxygen in about 30 to 45 minutes after turning off the ozone […]
How is projectile motion used in real life?
How is projectile motion used in real life? In real life, the projectile motion finds applications in sports. Playing basketball, football is examples of projectile motion in real life. While throwing a basketball into the basket, the player shoots the ball in such a way that the flight taken by the ball is in the […]
Who helped Tesla?
Who helped Tesla? Elon Musk How did the Tesla coil impact society? Circuitry using the Tesla coil was part of the first generation of transmitters to carry wireless telegraphy. Tesla used his brainchild to research such diverse areas as lighting, X-rays and electric power transmission. Customized Tesla coils are now frequently used to ignite powerful […]
What causes seeds to not germinate?
What causes seeds to not germinate? The primary reasons for failed germination are: Seeds get eaten – mice, voles, birds, and wireworms all eat seeds. Check to see that the seed is still in the soil. Seeds rot – planted too deeply, over-watered, or in cold weather, our untreated seeds may simply rot. What are […]