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Define projectile motion.. |
Answer» When a particle is thrown obliquely near the earth’s surface, it moves along a curved path under constant acceleration that is directed towards the center of the earth (we assume that the particle remains close to the surface of the earth). The path of such a particle is called a projectile and the motion is called\xa0projectile motion. Air resistance to the motion of the body is to be assumed absent in projectile motion.In a Projectile Motion, there are two simultaneous independent rectilinear motions:\tAlong the x-axis:\xa0uniform velocity, responsible for the\xa0horizontal\xa0(forward)\xa0motion\xa0of the particle.\tAlong y-axis:\xa0uniform acceleration, responsible for the\xa0vertical\xa0(downwards)\xa0motion\xa0of the particle.<br>When any object is thrown from horizontal at an angle theta except 90° , then the path followed by it is called trajectory, the object is called projectile and it\'s motion is called projectile motion. | |