# Category: Chapter-3(Motion in a Straight Line)

## Relative VelocityRelative Velocity

Relative velocity is a measurement of velocity of an object with respect to other observer. It is defined as the ...

## Stopping Distance For A Vehicle and Reaction TimeStopping Distance For A Vehicle and Reaction Time

Stopping Distance For A Vehicle When breaks are applied to a moving vehicle, the distance it travels before coming to ...

## Kinematic Equations For Uniformly Accelerated MotionKinematic Equations For Uniformly Accelerated Motion

If an object moves along a straight line with a constant acceleration a. Let u be the initial velocity at ...

## Position-Time Graph: AccelerationPosition-Time Graph: Acceleration

(I) Positive Acceleration When distance covered by a moving object goes on increasing with time, the object is said to ...

## AccelerationAcceleration

The existence of acceleration was given by Galileo in his different thoughts. Acceleration of a body can be expressed as ...

## Instantaneous Speed And Instantaneous VelocityInstantaneous Speed And Instantaneous Velocity

Instantaneous Speed Speed at an instant is defined as the limit of the average speed as the time interval (∆t) ...

## Average Speed And Average VelocityAverage Speed And Average Velocity

Average Speed Average speed of an object is defined as the total distance travelled by the object divided by the ...

## Speed And VelocitySpeed And Velocity

Speed The distance covered by an object divided by the time taken by the object to cover that distance is ...

## Uniform Motion In A Straight LineUniform Motion In A Straight Line

A body is said to be in a uniform motion if it travels equal distance in equal intervals of time ...

## Point Object, Position, Path Length and DisplacementPoint Object, Position, Path Length and Displacement

An object is considered as a point object if the size of the object is much smaller than the distance ...