Related Questions

Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation
A Is directly proportional to their velocity of approach
B Is inversely proportional to their velocity of approach
C Bears a constant ratio to their velocity of approach
D Is equal to the sum of their velocities of approach
A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
A v
B 2v
C 4v
D 8v
The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as
A Law of equipartition of energy
B Law of degradation of energy
C Law of conservation of energy
D None of these
The energy possessed by a body, for doing work by virtue of its position, is called
A potential energy
B kinetic energy
C electrical energy
D chemical energy
Energy possessed by a body due to its motion is known by what name?
A Initial energy
B Final energy
C Kinetic energy
D Potential energy
The total motion possessed by a body, is called
A Impulsive force
B Mass
C Weight
D Momentum
During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
A Equal to
B Equal and opposite to
C Less than
D Greater than
The phenomenon of collision of two elastic bodies takes place because bodies
A Immediately after collision come momentarily to rest
B Tend to compress each other till they are compressed maximum possible
C Attempt to regain its original shape due to their elasticities
D All the above
Comets are celestial bodies moving about the solar system in
A Elliptical or hyperbolic orbits, usually accompanied by a shining tail
B Elliptical orbits usually accompanied by a long shining tail
C Hyperbolic orbit always accompanied by a shining head
D Hyperbolic orbit without projecting any tail or head
Freely moving bodies are ________
A Deflected to their right in the northern hemisphere
B Deflected to the right in the southern hemisphere
C Deflected upwards at the equator
D Unaffected by the earth's movements

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