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Centripetal force is a force that makes a body follow a curved path: it is always directed orthogonal to the velocity of the body, toward t...
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Equilibrium equations for a particle: A particle is in equilibrium if the resultant of ALL forces acting on the particle is equal to zero...
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If a body is thrown up in the air such that it deviates from simple one dimensional motion, it is termed a projectile . The analysis of m...
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Newton ‘s law of gravitation states that the force of attraction between particles is directly proportional to their mass and inversely prop... -
Substitute Newton's second law into the definition for torque with θ of 90 degrees (a right angle between F and r ) and use t...
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Friction is the force opposing the motion of one body sliding or rolling over the surface of second object. Several aspects of fric...
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Free fall is any motion of a body where gravity is the only force acting upon it, at least initially. These conditions produce an inertial ...
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Kinetic energy, work, and power are defined in rotational terms as K . E =(1/2) I ω 2 , W = t θ, P = t ...
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