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# Dynamics MCQ with Answers PDF

Dynamics Multiple Choice Questions (MCQ), Dynamics quiz answers PDF with a level physics live worksheets for online degrees. Solve mechanics and properties of matter Multiple Choice Questions and Answers (MCQs), Dynamics quiz questions for ACT subject test tutoring. Dynamics Interview Questions PDF: rigid body rotation, dynamics, elasticity test prep for free online college courses.

"In elastic collisions," MCQ PDF on dynamics with choices 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. for ACT subject test tutoring. Solve dynamics quiz questions for merit scholarship test and certificate programs to learn free online courses.

## MCQs on Dynamics Quiz

MCQ: In elastic collisions,

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

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

1 newton
1 dyne
1 pound-force
1 pa-force

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

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

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

Zero forces
Non-Conservative forces
Conservative forces
Viscous forces

MCQ: Dimensions of relative density are

mass × length-3
mass × length³
It has no dimensions, since it's a ratio of two densities
length³ × mass-1