Laws of Motion questions
1031 published questions with worked solutions.
- A load suspended by a massless spring produces an extension of x cm in equilibrium. When it is cut into two unequal parts, the...
- A body of mass m=10 kg is attached to a wire of length 0.3 m. The maximum angular velocity with which it can be rotated in a...
- According to Hooke's law, force is proportional to
- A spring is extended to length l. According to Hooke's law
- A body of mass 10 kg is attached to a metre wire of area of cross-section 1 mm^2. If its breaking stress is 36 10^7 N/m^2, the...
- The unit of angular acceleration in the SI system is
- A ball of mass 0.5 kg is attached to one end of a string of length 0.5 m whose other end is fixed to a point above, and the ball...
- A particle of mass m rotates on a smooth horizontal table in a circle of radius R, the string passing through a hole at the...
- A body moves in a circle of radius 100 m with a time period of 2 s. Its centripetal acceleration (in m/s²) is nearly
- A particle describes a horizontal circle inside the smooth inner surface of a conical funnel (vertex downward) with a steady...
- The maximum speed (in m/s) with which a car can safely negotiate a flat (unbanked) curve of radius 150 m, if the coefficient of...
- A body moving in a circular path with constant speed reverses its sense of revolution (i.e., starts traversing the circle in the...
- The seconds hand of a clock is 3 cm long. Its angular velocity and the linear speed of its tip are
- A particle moves in a circle of radius R with constant speed v. At a point P(R , R ) on the circle (measured from the centre,...
- A small block is shot with the same speed into each of several differently-curved frictionless tracks, all rising to the same...
- A bridge is in the form of a semicircular arc of radius 40 m. The greatest speed with which a motorcycle can cross the bridge...
- A particle moves in a circular path with decreasing speed. Which of the following statements is correct? **[IIT JEE 2005]**
- A pellet of mass 1 g moves in a circle of radius 1 m with an angular velocity of 1 rad/s. The centrifugal force on it, in the...
- An object placed on a rotating horizontal disc begins to slip when it is at a distance of 4 cm from the axis. If the angular...
- One end of a string of length l is fixed to a small peg on a smooth horizontal table and the other end is tied to a particle of...
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