Simple Harmonic Motion Gravitation Multiple Choice Questions with Answers – PDF Download

MCQ 1: An object moving in a circle of radius ‘r’ with a constant speed ‘v’ has a constant acceleration towards the center equal to:

1. v²⁄r
2. v⁄r
3. v²×r
4. v×r

MCQ 2: A force that acts to return the mass to its equilibrium position is called:

1. frictional force
2. restoring force
3. normal force
4. contact force

MCQ 3: Velocity of escape is equal to:

1. r × √(2g); where r: radius of Earth or any other planet for that matter, g: gravitational field strength
2. g × √(2r); where r: radius of Earth or any other planet for that matter, g: gravitational field strength
3. √(2g) ⁄ r; where r: radius of Earth or any other planet for that matter, g: gravitational field strength
4. √(2gr); where r: radius of Earth or any other planet for that matter, g: gravitational field strength

MCQ 4: Speed ‘v’ with which wave travels through a medium is given by:

1. modulus of elasticity/density of the medium
2. modulus of elasticity/√(density of the medium)
3. √(modulus of elasticity/density of the medium)
4. v=d/t

MCQ 5: Due to energy dissipation by viscous forces in air, if simple harmonic variations of a pendulum die away after some time, then oscillation is said to be::

1. undamped
2. free
3. damped
4. dependent