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Andrew Lalthasang 7 years, 9 months ago
Rajeev Malhotra 7 years, 9 months ago
yes. when a body is not in motion, it possess potential energy due to its position.
Posted by Adil Khan 7 years, 9 months ago
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Manoj Jonam 7 years, 9 months ago
Andrew Lalthasang 7 years, 9 months ago
Rajeev Malhotra 7 years, 9 months ago
The energy possessed by body due to its motion is called kinetic energy. K.E = {tex}mv^2/2{/tex}
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Varun Banda 7 years, 10 months ago
Projectile motion is a form of motion in which an object or particle (a projectile) is thrown near the Earth's surface, and it moves along a curved path under the action of gravity only. ... The only force of significance that acts on the object is gravity, which acts downward to cause a downward acceleration.
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Amar Kumar 7 years, 11 months ago
Kinetic energy (KE) is the energy of motion. Any object that is in motion has kinetic energy. Kinetic energy is described by the following equation, where m = mass of the object (kg) and v = velocity:
KE1 = 1/2 x m x v2
if you have twice the velocity for the same mass, the kinetic energy will be four times the original value. by substituting 2v (twice the initial velocity) for v in the equation:
KE2=(1/2)m(2v)2=4((1/2)mv2)=4⋅KE1
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Amar Kumar 7 years, 9 months ago
Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics. They describe the relationship between a body and the forces acting upon it, and its motion in response to those forces.
First law: In an inertial frame of reference, an object either remains at rest or continues to move at a constant velocity, unless acted upon by a force.
Second law: In an inertial reference frame, the vector sum of the forces F on an object is equal to the mass m of that object multiplied by the acceleration a of the object: F = ma. ( mass m is constant)
Third law: When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body.
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