Why do 8-ounce boxing gloves hit harder than 16-ounce gloves?

Q: How Do We Save Petrol When The Tyres Of The Motor Cycle Are Fully Inflated?

A: When tires are not fully inflated, the contact of the tire and the road is changed, therefore,…

Q: Which contains more heat, a coffee cup of boiling water or a bathtub with water at room temperature?

A: An average size bathtub contains 250 kg of water and an average size cup contains 0.25 kg of water.…

Q: Is iron necessarily heavier than cork? Explain.

A: Answer Not necessarily

Q: If a rock and a feather are dropped in a 98-meter-long tube in which there is a vacuum, which one…

A: Given statement: If a rock and a feather are dropped in a 98-meter-long tube in which there is a…

Q: Why does a flag flutter when strong winds are blowing on a certain day?

A: The flag flutter when strong winds are blowing on a certain because when strong winds blow over the…

Q: Moon got no atmosphere on it. Why?

A: Atmosphere is the collection of layers of gases around a planet (or) any other material body. These…

Q: spring got stretched?

A:

Q: What prevents atmospheric gases from flying off into space?

A: Gravity is a force by which the planet pulls down any object or material towards its centre.

Q: How does scaling relate to the fact that the heartbeat of large creatures is generally slower than…

A: Small animals have a larger surface area to volume ratio than large animals. This is why heart rate…

Q: Two teams of eight horses each were unable to pull the Magdeburg hemispheres apart (shown at the top…

A: Force exerted by the rope on the tree =-Force exerted by the tree on rope (FTR).  The nine horses…

Q: It is difficult to run faster on sand. Why?

A: Running on sand puts extra pressure on the knees, ankles, Achilles tendons, and hips. Time your runs…

Q: Consider an airplane with a total wing surface of 1002 m. At a certain speed the difference in air…

A:

Q: Would a bottle of helium gas weigh more or less than an identical bottle filled with air at the same…

A: A bottle filled with helium gas weighs less than a bottle filled with air at same pressure.

Q: What is more effective to knock down a bowling pin. A gold ball or bowling ball? Why ?

A: A gold ball has linear momentum only when it hits a bowling pin. When a body with linear momentum…

Q: Consider a balloon of mass m fl oating neutrally in theatmosphere, carrying a person/basket of mass…

A: Given data *A balloon of mass is m *A person/basket of mass is M *The given situation is M>m

Q: How do you think air lessens your speed rate when you do a locomotor movement, such as running? And,…

A:

Q: Will 5 litres of kerosene oil weigh more in winter or in summer?

A: AnswerIn winter

Q: Touching a hot fire poker with your hand is an example of:

A: If you touching a hot fire poker with your hand ,heat will conducted to your hand and your skin will…

Q: How does the weight of mercury in a barometer compare with the weight of an equal cross section of…

A: Barometer gets balanced when pressure exerted due to liquid’s weight equals the atmospheric…

Q: Ex: Delermine he horinndal velscity VA f afennes ball@A so that it gust olars the net PB. Alsondin)…

A:

Q: Why is a slight blow on a cork of bottle fully filled with a liquid sufficient to break the bottle?

A: Answer :Increase in pressure increases the velocity of molecules

Q: How Gravity generates stresses  ?

A: We have to answer that How Gravity generates stresses?

Q: Which temperature scale has no negative temperatures?

A: Temperature scales are used to measure degree of hotness or coldness of a body. There are different…

Q: Why are runways longer for takeoff and landings at high altitude airpots?

A: The higher you go, the air becomes less and less dense, making it harder for a plane to fly. Less…

Q: Why does an inflated beach ball pushed beneath the surface of water swiftly shoot above the water…

A:

Q: If you dangle two pieces of paper vertically, a few inches apart, and blow between them, how do you…

A: According to Bernoulli's theorem The pressure is inversely proportional to the velocity.

Q: Is the saying “The bigger they are, the harder they fall” a consequence of a small or a large ratio…

A: The saying “The bigger they are, the harder they fall” a consequence of a small ratio of surface…

Q: If a 4 lb ball of steel sinks, why does a 4 lb duck float?

A: The density of the steel is around 8050 kg/m3 and the density of water is around 1000 kg/m3. The…

Q: The form of energy that produces a feeling of hotnes called as

A:

Q: Which change in phase results in particles that move slower? O Solid to gas O Solid to liquid O…

A: We know that when entropy of system is low, Particles will move slower. So when we compare entropy…

Q: Wind would move in a straight straight line if

A:

Q: Does Newton's law of cooling apply to warming as well as cooling?

A: Newton’s law of cooling states that the rate of heat exchange between an object and its surroundings…

Q: Why are metal-spiked shoes not a good idea for golfers on a stormy day?

A: Lightning has a tendency to hit tallest object easily, in the case of golf field the tree are less…

Q: When you are sunbathing on a stony beach, why do the stones hurt your feet less when you’re standing…

A: When the person is standing on a stony beach, the person exerts a pressure downwards. There exists…

Q: On cold water oil spreads , but on hot water it remains in the form of drops. Why?

A: Oil spreads on cold water but may remain as a drop on hot water because: Surface tension of oil is…

Q: What is the free source of energy when heavier fluid is supported by a lighter one?

A: We have to mention what is the free source of energy when heavier fluid is supported by a lighter…

Q: Which is heavier 50kgs sack of rice or 110lbs sack of rice?

A: Write the given values. m1=50 kgm2=110 lb

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!