Tag: motion
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Force
What is Force? Everything you see around yourself is surrounded by forces. These force may be push-pulls or gravitational. Forces can accelerate, slow-down, and change the shape of an object. So, what is the definition of the force? Force is actually an interaction which when applied to an object, changes […]
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Mass and Weight
What is Mass? Mass is the quantity of matter that is contained in an object. It remains same, no matter where you take the object, either into space or another planet. Because the number of atoms and their density remains same. Mass is measured in kilograms in international standard of […]
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Acceleration
What is Acceleration? Acceleration is the rate of change of velocity. When the velocity of an object is changed, the object is said to be accelerated. During acceleration, the velocity of an object constantly changes. Acceleration is measured in meter per second squared (m/s^2), which tells us that how much […]
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Speed and Velocity
What is Speed? Speed is the physical quantity for measuring the motion of a body with respect to a reference. It is defined as, the distance covered in a given amount of time. For example, a car is traveling 50 km in an hour, then its speed would be 50 […]
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What is Friction
You may be listening to the word friction from your childhood that it slows down the vehicles and wear out the machine part. That is true! Friction causes resistance in motion. It is also a force that acts in opposite direction of motion. When you put a brake on your […]
