A Level Physics Practice Tests

A Level Physics Tests

The Book *Dynamics Multiple Choice Questions (MCQ Quiz) PDF*, Dynamics MCQs download to study online a level physics certification courses. Study Mechanics and Properties of Matter Multiple Choice Questions and Answers (MCQs), Dynamics quiz answers PDF for ACT subject test tutoring. The eBook *Dynamics MCQ* App Download: rigid body rotation, dynamics, elasticity test prep for free online college courses.

The MCQ: *In elastic collisions,* PDF, Dynamics App Download (Free) with only the total momentum of the colliding objects is conserved., only the total kinetic energy is conserved., both of the momentum and total kinetic energy are conserved., and neither momentum of the colliding bodies nor the total kinetic energy are recoverable. choices for ACT subject test tutoring. Practice dynamics quiz questions, download Amazon eBook (Free Sample) to learn free online courses.

**MCQ**: In elastic collisions,

A) only the total momentum of the colliding objects is conserved.

B) only the total kinetic energy is conserved.

C) both of the momentum and total kinetic energy are conserved.

D) neither momentum of the colliding bodies nor the total kinetic energy are recoverable.

c

**MCQ**: Force that acts on a mass of 1 g and gives it an acceleration of 1 cms^{-2} is defined as

A) 1 newton

B) 1 dyne

C) 1 pound-force

D) 1 pa-force

b

**MCQ**: Einstein's mass-energy relationship states that if the mass decreases by Δm, the energy released ΔE is given by

A) ΔE = Δm × c, where "c" denotes the speed of light.

B) ΔE = Δm × c², where "c" denotes the speed of light.

C) ΔE = Δm ⁄ c, where "c" denotes the speed of light.

D) ΔE = Δm ⁄ c², where "c" denotes the speed of light.

b

**MCQ**: When the work done in moving a particle round a closed loop in a field is zero, the forces in the field are called

A) Zero forces

B) Non-Conservative forces

C) Conservative forces

D) Viscous forces

c

**MCQ**: Dimensions of relative density are

A) mass × length^{-3}

B) mass × length³

C) It has no dimensions, since it's a ratio of two densities

D) length³ × mass^{-1}

c

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