Category: Physics

What are the two different joint types at the elbow? The elbow consists of three joints from articulation of the three bones namely: Humero-ulnar joint is formed between the humerus and ulna and allows flexion and extension of the arm. Humero-radial joint is formed between the radius and humerus, and allows movements like flexion, extension, […]

What is the minimum distance for the eye to focus any object? 25 cm What happens if the eye lens of a person Cannot accommodate its focal length more than 2.4 cm? Explanation: If a eye lens of a person cannot accommodate its focal length more than 2.4cm then he suffers with eye defect Myopia. […]

How can you prove gravity is not a force? Instead gravity is an effect of the warping of space and time in the presence of mass. Without a force acting upon it, an object will move in a straight line. If you draw a line on a sheet of paper, and then twist or bend […]

What happens if you get a cut in space? In space, blood can splatter even more than it usually does on Earth, unconstrained by gravity. Or it can pool into a kind of dome around a wound or incision, making it hard to see the actual trauma. (Fun fact: If you are bleeding more than […]

How hard is it to break cement blocks? The crack quickly (instantaneously to the naked eye) propagates through the block and you are left with two pieces. Crunching some quick numbers, I compute that it would, on average, take about 125-175lbs of static force to break one of these blocks in this manner. How much […]

What is the fastest way to move the ball down the court? 1. Passing is the fastest way to move the ball. Look for a teammate to pass to before you decide to dribble. How do you move the ball up the court? There are four ways that players can move with the ball on […]

What are 5 common side effects of steroids? Side effects of oral corticosteroids Fluid retention, causing swelling in your lower legs. High blood pressure. Problems with mood swings, memory, behavior, and other psychological effects, such as confusion or delirium. Upset stomach. Weight gain, with fat deposits in your abdomen, your face and the back of […]

Could you or can you or would you? If we assume that the speaker has no reason to doubt the other person’s ability to write their name, then “would” is the better word choice. The most proper way to use these words is to use “could” if you’re not sure if the person is able […]

Where does meiosis occur in humans? Meiosis occurs in the primordial germ cells, cells specified for sexual reproduction and separate from the body’s normal somatic cells. In preparation for meiosis, a germ cell goes through interphase, during which the entire cell (including the genetic material contained in the nucleus) undergoes replication. Why is meiosis important […]

What type of fronts cause tornadoes? What is a Tornado? Thunderstorms develop in warm, moist air in advance of eastward-moving cold fronts. These thunderstorms often produce large hail, strong winds, and tornadoes. Tornadoes in the winter and early spring are often associated with strong, frontal systems that form in the Central States and move east. […]