An object is said to be in motion if it changes its position with time. A body which does not move is said to be at rest, motionless, or stationary.…
read moreElasticity is the property of an object or material due to which it restores its original shape after distortion. The more precisely an object restores to its original configuration the…
read moreThe wave changes direction when passing from one medium to other due to change in the speed. This phenomenon is called as refraction. The change in direction of the wave…
read moreThe speed of a waves changes when it passes from one medium to another and it bends. This bending of a wave when it enters a medium where its speed…
read moreReflection may be defined as change in direction of wave at an interface between two media so that the wave bounces back in the same media from which it originated.…
read moreA lever is a bar or a board that rests on a support called fulcrum which lifts or moves the load. The closer the object is to the fulcrum the…
read moreForce may be defined as push or pull. In physics, a force is any influence that causes or tends to cause an object to undergo a change in state of…
read moreAn object is said to be in motion if it changes its position with time. A body which does not move is said to be at rest, motionless ,…
read moreAn object is said to be in motion if it changes its position with time. A body which does not move is said to be at rest, motionless, or stationary.…
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