What is Ball ?

1 Answer

Answer :

The amount obtained by the ball.

Related questions

Description : Each time a ball bounces, gravity reverses. Will it reach relativistic speeds?

Last Answer : answer:No, gravity creates a constant increase in speed per second, that fherefore will be smaller after wvery bounce. (At higher speeds, the ball will have a shorter time before it reaches its ... while the speed increase will decrease between each bounce. These will converge. And congrats on 10K!

Description : A ball is dropped from 44" and bounces to a height of 19". How long does it take to come to rest?

Last Answer : answer:First we need a consistent frame of reference; I'm going to use the bottom of the ball since this is where it contacts the floor. So the original height is 42 from the bottom of the ball and ... 69 seconds. Lots of rounding, lots of corners cut. Not sure if that's what you were looking for.

Description : How to work out time a ball was in the air.

Last Answer : answer:Use your basic physics formulae. The horizontal movement of the ball has nothing to do with the time it spends in the air. The appropriate formula is s = ut + at^2. The easiest way ... sure you can answer every question in at least two different ways. There is never only one correct method.

Description : Ball bearings are used in cycles, scooters etc to -Physics

Last Answer : Reduce the friction between the wheel and the axle.

Description : Which scientist gave the formula of gravitational ball ?

Last Answer : Scientist Newton gives the formula for the gravitational ball.

Description : Explain 'Ball Bearing is an Important Discovery' ?

Last Answer : The use of ball bearings has made it possible to further reduce friction between different surfaces. Ball-bearing is a small , smooth metal ball. These are usually made of steel. Ball bearings are ... machine. That is, instead of sliding over each other, the surfaces roll and the friction decreases.

Description : From which formula is the qualitative definition of ball found ?

Last Answer : From Newton's first law of motion.

Description : How to get the idea of ​​inertia and ball from Newton's first law ?

Last Answer : Newton's first law states that if a force is not applied, the stationary object wants to remain stationary and the moving object to be in motion , that is , the object just wants to keep its state intact. ... ball is the cause of the change in its past state. From this comes the idea of the ball.

Description : Which ball causes decay from nucleus ?

Last Answer : Weak nucleus causes the nucleus to decay.

Description : What is the power of the ball ?

Last Answer : The product of force and time is called the force of the ball

Description : Which ball is the weakest ?

Last Answer : Gravity ball.

Description : What is Ball ?

Last Answer : Ball is a vector quantity. Which has both value and direction.

Description : What is ball bearing ?

Last Answer : Ball-bearing is a small , smooth metal ball. These are usually made of steel. Ball-bearings are placed between the moving parts of a machine. Friction between different fluids can be reduced by using ball-bearing.

Description : What is Conservative Ball ?

Last Answer : A ball that acts on an object and turns it in any direction and brings it back to its original position, then the work by the force becomes zero is called conservative force.

Description : What are the characteristics of a simple rhythmic motion ball ?

Last Answer : It is a force created on a special kind of rhythmic or oscillating particle. In this case the acceleration of the particle and the value of the force acting on it are proportional to the movement of the ... , i.e. the opposite direction of the particle movement. The motion of such a ball is linear.

Description : What are the properties of a nuclear ball ?

Last Answer : Characteristics of nuclear ball 1. Nuclear balls are just attractive balls. The intensity of this ball is much higher than that of gravitational and electromagnetic balls. 2. This ball is charge neutral ... the ball. Thus nucleons are bound only to their adjacent nuclei and not to distant nucleons.

Description : Weak nucleo ball How many times weaker than electromagnetic ball ?

Last Answer : Weak nuclear force is 10 ^ 10 times weaker than electromagnetic ball.

Description : What is work by ball ?

Last Answer : If an object moves towards the ball as a result of applying force, then that action is called action by ball.

Description : What is work against the ball ?

Last Answer : If an object moves in the opposite direction of the ball as a result of applying force, then that action is called action against the ball.

Description : What is a feedback ball ?

Last Answer : When a moving object pushes another moving or stationary object, the two objects are said to have collided. The force exerted by the first object on the second object is called action force ... equal but opposite during collision. No force other than action and reaction works during a collision.

Description : Which scientist gave the formula of Mahakarya ball ?

Last Answer : Scientist Newton gave the formula for the gravitational ball.

Description : Why do you swing the ball while playing table tennis ?

Last Answer : The ball swings because of unequal pressure on the top and bottom of the ball.

Description : What is the attraction between earth and ball ?

Last Answer : The attraction between the earth and the ball is called gravity.

Description : An object hanging with the help of a thread is swaying back and forth. This is an example of a ball ?

Last Answer : An object hanging with the help of thread is swaying back and forth. This is an example of inequality.

Description : What is the range of a strong nuclear ball ?

Last Answer : The radius of a strong nuclear ball is equal to the radius of the nucleus.

Description : What is Ball Bearing Made of ?

Last Answer : Ball bearings are made of steel.

Description : What is a touch ball ?

Last Answer : The force that only comes in physical contact with two objects and acts on each other is called touch force.

Description : What is untouchable ball ?

Last Answer : : A force that acts without direct contact between two objects is called an untouchable force.

Last Answer : : Multiplying the weighted load mass of the test wire by the axial acceleration gives the drawn force.

Last Answer : Faraday introduces the electric ball line.

Last Answer : Ball dimension MLT ^ -2 .

Description : Which remains constant while throwing a ball upward?

Last Answer : – Acceleration

Description : If one wants to throw a cricket ball to the maximum distance, then at which angle should he throw it ?

Last Answer : – 45°

Description : A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Last Answer : (4) They must be dropped in vacuum Explanation: When a piece of paper and a cricket ball are dropped from the same height, they reach the surface at different time because the shape of the paper ... occurring on them and this leads to a conclusion that both the article reaches at the same time.

Description : The function of ball bearings in a wheel is – (1) to increase friction (2) to convert kinetic friction into rolling friction (3) to convert static friction into kinetic friction (4) just for convenience

Last Answer : (2) to convert kinetic friction into rolling friction Explanation: A ball bearing is a type of rollingelement bearing that uses balls to maintain the separation between the bearing races. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads.

Description : A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that - ... change in momentum (4) The initial momentum of the rubber ball is greater than that of the metal ball

Last Answer : (1) The rubber ball suffers greater change in momentum

Description : That an Iron ship floats in water but an Iron ball sinks, is an example of - (1) Newton's second law (2) Pascal's law (3) Archimedes Principle (4) Dalton's law

Last Answer : (3) Archimedes Principle Explanation: The floating of an iron ship in water is an example of Archimedes principle. Archimedes' principle states that an object floats on water if the weight of the water ... . Since the average density of the ship as a whole is less than the density of water.

Description : The amount of matter in a ball of steel is its – (1) Weight (2) Mass (3) Density (4) Volume

Last Answer : (2) Mass Explanation: In simple terms, mass is the amount of matter in an object, and is measured in grams. Under normal circumstances, and as long as it remains intact, an object will always have the same mass, i.e. there will always be the same amount of matter in it.

Description : A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) increase (2) decrease (3) remain unaffected (4) have its shape changed

Last Answer : (1) increase Explanation: The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius.

Description : While catching a ball, a player pulls down his hands to lower the - (1) force/cy (2) momentum (3) impulse (4) catching time

Last Answer : (3) impulse

Description : A man in a train moving with a constant velocity drops a ball on the platform. The path of the ban as seen by an observer standing on the platform is – (1) A straight line (2) A circle (3) A parabola (4) None of these

Last Answer : (3) A parabola Explanation: In the reference frame of the platform the ball has initial horizontal velocity equal to the velocity of the train. The vertical direction is the same observed on the train because both observers agree that gravity is acting on the ball causing an acceleration g.

Description : A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) Increase (2) decrease (3) remain unaffected (4) have its shape changed

Last Answer : (1) Increase Explanation: The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius. As the inner most layer also increases its radius, the volume inside it i.e, the volume of the hollow portion will also increase.

Description : The angle in which a cricket ball should be hit to travel maximum horizontal distance is : (1) 60° with horizontal (2) 45° with horizontal (3) 30° with horizontal (4) 15° with horizontal

Last Answer : (2) 45° with horizontal Explanation: This has to do with the equation of a parabola or trajectory which is z = (tane)x 2 cos 9) 2. We can see that if the ball is fired at a 45 degree angle from the ground, the horizontal distance will be a maximum.

Description : A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. (1) The ball falls – (2) Behind him (3) In front of him (4) Into his hand

Last Answer : (1) Behind him Explanation: The moment ball is thrown, it is moving with the velocity of the car. According to the inertia of motion it will continue to move in the same direction with the same ... is not possible to neglect the resistance caused by air friction. So, the ball will fall behind him.

Description : If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will – (1) Fall in front of him (2) Fall behind him (3) Fall into his hand (4) None of the above

Last Answer : (3) Fall into his hand Explanation: If a person throws a ball vertically upwards in a moving train, it comes hack to his hand. The moment the ball was thrown, the ball was also in motion alone with ... ball move ahead by the same distance. This makes the ball to come back to his hand on its return.

Description : Ball pen functions on the principle of : (1) Viscosity (2) Boyle's Law (3) Gravitational force (4) Surface tension

Last Answer : (4) Surface tension Explanation: The ballpoint pen is one of the most simple and yet ubiquitous devices whose function depends on surface tension. With a pen held upright, gravity and surface tension act in concert to get ink onto the ball.

Description : While catching a ball, a player pulls down his hands to lower the – (1) force (2) momentum (3) impulse (4) catching time

Last Answer : (2) momentum Explanation: A cricketer lowers his hands while taking a catch to decrease the rate of momentum. Cricketers increase the time by pulling their hand's backward with the ball while taking a ... stop afterwards. If the truck were lighter, or moving slower, then it would have less momentum.

Description : A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding? (1) 4 metres (2) 3 metres (3) 2 metres (4) 1 metre

Last Answer : (3) 2 metres Explanation: The potential energy of a body when raised through height h is given by mgh. Each time, a normal rubber ball hits the floor, it loses one-fifth of its total ... rebound height is proportional to energy, so each bounce will rebound to four-fifth of the previous bounce.

Description : The swing of a spinning cricket ball in air can be explained on the basis of – (1) Sudden change in wind direction. (2) Buoyancy of air. (3) Turbulence caused by wind. (4) Bernoulli's theorem.

Last Answer : (3) Turbulence caused by wind. Explanation: The main theory of swing bowling surrounded turbulent and laminar airflow. Laminar air separates from the surface of the ball earlier than turbulent flow air, ... towards the back; inducing a greater lift force on the turbulent airflow side of the ball.

Description : A spherical ball made of steel when dropped in mercury container will – (1) sink in mercury (2) will be on the surface of mercury (3) will be partly immersed mercury (4) will dissolve in mercury

Last Answer : (2) will be on the surface of mercury Explanation: The density of steel usually ranges between 7.75 and 8.05 g/cm3 and the density of mercury is 13.534 g/cm3. Mercury ... materials usually have different densities, so density is an important concept regarding buoyancy, purity and packaging.