12th Class Physical Education Solved paper - Physical Education-2017

  • question_answer
    An object thrown into the space either horizontally or at an acute angle under the action of gravity is called a projectile. Name the two forces which act on a projectile.

    Answer:

    The factors acting the Projectile Trajectory are as follows:                                          
    (i) Propelling Force: The propelling force produces certain effects depending upon its point and direction of application.
    (ii) Force of Gravity: As soon as contact is broken with a projected object, the force of gravity begins to diminish the upward velocity of the object. Finally, gravity overcomes the effect of the upward component of the projectile?s motion and the object begins to descend.


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