It is preferable to use air bags in the cars to protect the driver during accident , The colliding of a large truck with wall is more destructive than the colliding of a small...
Force The object moves at an acceleration when affected by a force , The force is an external influence that affects the objects to change its state of motion or direction , Force is...
Physical quantities can be classified into Scalar and Vector Quantities, A Scalar quantity is a physical quantity that can be fully defined by its magnitude only and it has no direction while a Vector...
