Download Unit 3-Energy and Momentum Study Guide

Vocabulary:
Force, time, mass, velocity, acceleration, displacement, momentum, impulse,
conservation of momentum, elastic collisions, inelastic collisions, vector, scalar,
impulse momentum change theorem, Newton’s first law, Newton’s second law,
Newton’s third law, work, sine, cosine, tangent, angular momentum, energy,
potential energy, kinetic energy, mechanical energy, law of conservation of
energy
Formulas:
Please keep in mind that all formulas can be rearranged algebraically. Ex-f=ma is
the same equation as a=f/m.
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p=m∙v
f=ma
v=d/t
a=∆v/∆t
d=∆x,
impulse=f∙∆t, impulse=∆p, N∙s=kg∙m/s
m1∙∆v1=-m2∙∆v2
w=f∙d,
PEgrav=m∙g∙h, KE=1/2∙m∙v2, TME=PE+KE, Acceleration of gravity=10
m/s/s
Units:
Kilograms, grams, kilometers, meters, hours, minutes, seconds, meters/second,
meters/second/second, Newton∙second, kilogram∙meters/second,
gram∙meters/second, Newton, Newton∙meter, Joules,
Questions:
o -27 Vocabulary/definition matching questions.
o -10 Multiple Choice Questions
o -10 Mathematical Questions
o -3 True/False Questions
o -1 Extra Credit Question
Things to think about:
 How do you prove that impulse is equal to momentum using the formula
for Newton’s second law?
 How did the water balloon toss winners take advantage of the impulse
change in momentum theorem?
 Why didn’t the egg break on the sheet?
 What happened during the marbles and collision lab and what did this
show?
 How does a gyroscope work?
 How does a pendulum work in terms of TME, KE, and PE?
 How did the racquetball go so high during the ball drops demo?
 Why did the energy vehicles all have more PE than KE?
 What conditions must be met for work to be done?
 When do objects have the greatest and least PE and KE?
 How do calculate work when a force is exerted at an angle?
 How do you calculate momentum? In scientific notation?
 How do you use the formula for impulse change in momentum theorem to
solve for force?
 How do you calculate PE? KE?
 How do you calculate acceleration?
 How do you calculate impulse?
 How do you use the law of conservation of energy to help you solve for
energy?
Points:
 2 Points per question.
 50 Questions
 100 Points