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What is the kinetic energy of an object ...

What is the kinetic energy of an object ?

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Kinetic energy of an object is the energy possessed by it due to its motion. In fact, kinetic energy of an object moving with a certain velocity is equal to the work done to make it acquire that velocity.
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According to the principle of conservation of energy, it the kinetic energy of an object is decreased by 50% , Its potential energy will be increased by 50% .

Which would have a greater effect on the kinetic energy of an object : doubling the mass or doubling the velocity ?

Knowledge Check

  • An expression for the kinetic energy of an object is:

    A
    `1//2mv^(-2)`
    B
    mgh
    C
    `1//2mv^(2)`
    D
    ma

  • What is kinetic energy?

    A
    It is the energy of motion
    B
    It is the stored form of energy
    C
    It is thermal energy
    D
    It is latent energy

  • An object of mass 50 kg is moving in a horizontal circle of radius 8 m . If the centripetal force is 40 N, then the kinetic energy of an object will be

    A
    320 j
    B
    260 j
    C
    220 j
    D
    160 j

    • Similar Questions

    Explore conceptually related problems

    (a) Compare the kinetic energies of two identical bodies, one moving north and the other moving south with same speed. (b) What happens to the kinetic energy of an object if its mass in doubled while its velocity remains the same

    What do you mean by kinetic energy ? Derive an expression for the kinetic energy of an object of mass m moving with velocity, upsilon.

    If the kinetic energy of the molecules in 5 litre of helium at 2 atm is (E ) . What is the kinetic energy of molecules in 15 litre of oxygen at 3 atm in terms of (E ) ?

    An object of mass 1 kg is moving with a velocity 10 m/s. Find the kinetic energy of the object

    If K is the kinetic energy of a projectile fired at an angle 45°, then what is the kinetic energy at the highest point.

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