Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m
Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m are stretched by the same force. The ratio of potential energy stored in springs will be
Options
(a) 1:2 (b) 2:1 (c) 4:1 […]
Laws of Motion
The resultant of two forces, one double the other in magnitude, is perpendicular
The resultant of two forces, one double the other in magnitude, is perpendicular to the smaller of the two forces. The angle between the two forces is
Options
(a) 60° (b) 150° (c) […]
The momentum is most closely related to
The momentum is most closely related to
Options
(a) Force (b) Impulse (c) Power (d) Kinetic energy
Correct Answer:
Force
Explanation:
Force is rate of chance of momentum.
A vertical spring with force constant k is fixed on a table. A ball of mass
A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of the spring falls vertically on the spring so […]
A 2 kg mass starts from rest on an inclined smooth surface with inclination
A 2 kg mass starts from rest on an inclined smooth surface with inclination 30° and length 2 m. How much will it travel before coming to rest on a frictional surface with frictional coefficient […]
A body of mass 2 kg is moved by a force F=3x where x is the distance covered.
A body of mass 2 kg is moved by a force F=3x where x is the distance covered. Initial position is x=2 m and the final position is x=10 m. The initial speed is zero. […]
On the horizontal surface of a truck a block of mass 1 kg is placed (µ=0.6) and truck
On the horizontal surface of a truck a block of mass 1 kg is placed (µ=0.6) and truck is moving with acceleration 5 ms⁻². The frictional force on block will be
Options
(a) […]
The mean radius of the earth is R, its angular speed on its own axis is ?
The mean radius of the earth is R, its angular speed on its own axis is ? and the acceleration due to gravity at earth’s surface is g.What will be the radius of the orbit […]
The escape velocity from the earth’s surface is 11 kms⁻¹.A certain planet
The escape velocity from the earth’s surface is 11 kms⁻¹.A certain planet has a radius twice that of the earth but its mean density is the same as that of the earth.The value of the […]
Imagine a light planet revolving around a very massive star in a circular
Imagine a light planet revolving around a very massive star in a circular orbit of radius R with a period of revolution T.If the gravitational force of attraction between the planet and the star is […]