Practice simple harmonic motion gravitation MCQs, A level physics MCQ test for online learning. Mechanics and properties of matter quiz has multiple choice questions (MCQ), simple harmonic motion gravitation quiz questions and answers to practice as an object moving in a circle of radius ‘r’ with a constant speed ‘v’ has a constant acceleration towards center equal to, answer key help with choices as v²⁄r, v⁄r, v²×r and v×r problem solving for viva, competitive exam preparation, interview questions. Free study guide is for online learning simple harmonic motion gravitation quiz with MCQs to practice test questions with answers.

MCQ. 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

A

MCQ. A force that acts to return the mass to it's equilibrium position is called

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

B

MCQ. 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

D

MCQ. 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

C

MCQ. 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

C