Category: Physics

Why it is difficult to drag a heavier body than a lighter body? The heavier the object, the more friction is applied, thus making it difficult to push a heavier box. People experience more frictional force when pushing a heavy box and less frictional force when pushing a lighter box on the same type of […]

What are the sizes of soccer fields? The soccer field, or football pitch, is flexible in size. It is 100 to 130 yards (90-120m) long and 50 to 100 yards (45-90m) wide. In international play the field dimensions are a bit stricter in that the length must be 110 to 120 yards (100 – 110m) […]

How do you make good quality concrete? How To Produce Good Quality Concrete? Use well graded, hard and durable aggregates. Use sufficient quantity of cement to achieve required water tightness and strength. Mix the concrete thoroughly for getting better homogeneity. Keep the water-cement ratio as minimum as possible. Compact the freshly placed concrete to remove […]

Is it good to fast on a full moon? A fast should also be maintained on the full moon day of each month. It is essential on the spiritual fasting day, not only to abstain from meals, but also to spend the whole day with a positive, spiritual attitude. Only this will ensure that the […]

What is the cause of electromagnetic induction? Science 101: What Causes Electromagnetic Induction? Electromagnetic induction is the technical name for the fact that, when a wire is moved near a magnet or a magnet is moved near a wire, an electric current flows in the wire. What is the basic cause of electromagnetic induction? It […]

Is sound a single wave? d. capable of existing with a variety of frequencies and a light wave has a single frequency. Sound is a mechanical wave and cannot travel through a vacuum. Light is an electromagnetic wave and can travel through the vacuum of outer space. How can I amplify my sound naturally? Sounds […]

What do wind direction symbols mean? The symbol highlighted in yellow (in the diagram above) is known as a “Wind Barb”. The wind barb indicates the wind direction and wind speed. Wind barbs point in the direction “from” which the wind is blowing. Wind speed is given here in the units of “knots” (knt). What […]

What happens if you press the brake too hard? Constant hard braking can trigger your ABS when it isn’t needed, wearing out and stressing the system prematurely. It can also reduce tyre traction and wear a flat spot onto one or more of your tyres and damage your drive shaft. Can swerving damage your car? […]

Can I come or come? “May” is a word is which is usually applied when one wants to make a request for something or to seek for permission to do something. (b) “Can I come in.” “Can” is usually applied when something is possible or somebody has the ability to do something. Is could Past […]

How do you lure a cat out of a tight space? Use toys, catnip, and treats or wet food to encourage your cat to come out from under the couch, bed, or basement rafters. Place these lures near his hiding place, but make sure he has to come out a bit to reach them. Shake […]