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KPE160 Module 1 Latest Exam Questions And 100% Correct Answers

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KPE160 Module 1 Latest Exam Questions And 100% Correct Answers...

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  • September 17, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • KPE160 Module 1
  • KPE160 Module 1
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KPE160 Module 1 Latest Exam Questions And 100%
Correct Answers

Biomechanics - Answer How muscles work to control our bodies given the Laws of
Motion.



Motor Learning - Answer How the brain controls our muscles to control motion.



What creates or resists changes in motion? - Answer Energy: energy storage, energy
transfer, and energy dissipation.



Energy Storage - Answer Gravity, inertia, elasticity.



Energy Transfer - Answer Force of gravity, contact and reaction forces.



Energy Dissipation - Answer Various forms of friction.



Interval Scale - Answer Quantitatively measures physical phenomena. 7 base quantities
with units of measure exist derived from empirical universal physical constants.



Fundamental Units - Answer E.g. m, s.



Derived Units - Answer E.g. m/s.



Fundamental Units of Mechanics - Answer Space (m), time (s), and matter (kg).



Space - Answer We assume a 3-dimentional spatial universe exists.

, Distance (d) - Solution The linear measure of space. How far you travel. Represents the
total distance travelled by an object. In linear cases, it is a change in location, not
orientation.

SI units: metres (m).



Planar Angle () - Solution A figure made by two intersecting lines or planes. An angular
measure of space - a piece of the pie.

Units are multiples of dimensionless ratio of arc to the radius of the piece of pie. Use
degrees, radians, or revolutions.



Planar Angle Formula - Solution θ (rad) = a (m) / r (m).



Time (t) - Solution A monotonically increasing quantity related to increasing entropy in
the universe - "entropy's arrow." It is uni-directional - cannot go backwards.

SI units: seconds (s).



Matter - Answer A material world It is any physical body or substance that occupies
space and is capable of being perceived

.

Measures of Matter - Answer Mass, m, volume, V, and density, ρ.

Mass, m - Answer How much matter is in a material body.

SI units: kilograms, kg.

Volume, V- Answer How much space does a material body occupy.

SI units: litres (L). A 10cm * 10cm * 10cm cube = 0.001m^3 (cubic metres).



Density (ρ) - Answer ρ = m (kg) / V (m^3).

SI units: kg/m^3.

The smaller the volume, the more dense something is. The greater the volume, the less
dense something is.

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