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Exam (elaborations)
approved SCIENCE 30055Y APPC Unit 2 Challenge Problems 1: Equilibrium questions
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---2June 20252024/2025A+
- APPC Unit 2 
Challenge Problems 1: Equilibrium 
1. A block of mass m1 on a frictionless inclined plane of angle α is 
connected by a cord over a massless, frictionless pulley to a 
second block of mass m2 hanging vertically. 
a) Draw a well-labeled free-body diagram showing all the 
forces acting on each object. 
b) Derive a relationship between m1 
, m2 
, and α that would allow 
the system to sit in equilibrium 
c) Friction is now considered and the coefficient of static friction is µs 
. D...
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Abbyy01
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Exam (elaborations)
SCIENCE 30055Y AP Physics C Electricity & Magnetism Review questions with correct answers
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---21June 20252024/2025A+
- AP Physics C 
Electricity & 
Magnetism 
Review 
Workbook 
Name_____________________ 
1. Charge 
a. Net – charge: excess electrons 
b. Net + charge: excess “holes” 
c. SI unit: coulomb (C) 
d. Quantum of charge 
i. the proton charge (e) 
ii. the electron charge (-e) 
iii.
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Abbyy01