IGCSE A Level Physics Practice Tests

IGCSE A Level Physics Online Tests

The *Dynamics Multiple Choice Questions (MCQ Quiz) with Answers PDF*, Dynamics MCQ PDF e-Book download to practice IGCSE A Level Physics Tests. Study Mechanics and Properties of Matter Multiple Choice Questions and Answers (MCQs), Dynamics quiz answers PDF to study distance learning courses. The *Dynamics MCQ App* Download: Free learning app for rigid body rotation, dynamics, elasticity test prep for best online colleges for teaching degree.

The MCQ: *Force that acts on a mass of 1 g and gives it an acceleration of 1 cms ^{-2} is defined as;* "Dynamics" App Download (Free) with answers: 1 newton; 1 dyne; 1 pound-force; 1 pa-force; to study distance learning courses. Practice Dynamics Quiz Questions, download Apple eBook (Free Sample) for online college courses.

*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.

c

*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

b

*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.

b

*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

c

*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}

c

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