AP Physics 1

UBQ, question filters, and 1000 physics practice questions

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Physics Question Filters

Use filters to narrow down your search.

Units

UBQ has 8 units corresponding to the 8 Units in AP Physics 1: Mechanics. That said Honors, Regular Physics, and even college students can use UBQ.

The 8 Units in Mechanics Include:

Vectors and Kinematics
Linear Forces (Dynamics)
Centripetal Motion and Gravitation
Energy
Linear Momentum
Rotational Motion and Torque
Simple Harmonic Motion
Fluids

Question Types

Three questions types:

GQ is a general question. One point each.
MCQ is a multiple choice question. One point each.
FRQ is free response question. Multiple parts, with varying points for each.

Solve Types

Three “solve” types:

Conceptual – tests for understanding of concepts rather than calculations.
Mathematical – requires the use/ and derivation of equations.
Proportional Analysis – requires the derivation of a general equation to see the relationship between two or more variable.

Concepts

Single – Single unit, topic, or law involved.
Concept Pairing – multiple unit, topic, or law required to solve questions. All FRQs are usually multi-concept.

Difficulty Levels

Beginner – for when you just have learned the unit or topic.
Intermediate – for when you want to better grasp the topic
Advanced – for mastery of the topic. These are the difficult, test-like questions.

Answers, Grading, and Phy

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Jason Kuma

Writer | Coach | Builder | Fremont, CA

Programs

Units in AP Physics 1

Unit 1 – Linear Kinematics

Unit 2 – Linear Forces

Unit 3 – Circular Motion

Unit 4 – Energy

Unit 5 – Momentum

Unit 6 – Torque

Unit 7 – Oscillations

Unit 8 – Fluids

Reading Key

LRN

RE

PS

PQ

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Kinematics	Forces
$\Delta x = v_i t + \frac{1}{2} at^2$	$F = ma$
$v = v_i + at$	$F_g = \frac{G m_1m_2}{r^2}$
$a = \frac{\Delta v}{\Delta t}$	$f = \mu N$
$R = \frac{v_i^2 \sin(2\theta)}{g}$

Circular Motion	Energy
$F_c = \frac{mv^2}{r}$	$KE = \frac{1}{2} mv^2$
$a_c = \frac{v^2}{r}$	$PE = mgh$
	$KE_i + PE_i = KE_f + PE_f$

Momentum	Torque and Rotations
$p = m v$	$\tau = r \cdot F \cdot \sin(\theta)$
$J = \Delta p$	$I = \sum mr^2$
$p_i = p_f$	$L = I \cdot \omega$

Constant	Description
$g$	Acceleration due to gravity, typically $9.8 , \text{m/s}^2$ on Earth’s surface
$G$	Universal Gravitational Constant, $6.674 \times 10^{-11} , \text{N} \cdot \text{m}^2/\text{kg}^2$
$\mu_k$ and $\mu_s$	Coefficients of kinetic ( $\mu_k$ ) and static ( $\mu_s$ ) friction, dimensionless. Static friction ( $\mu_s$ ) is usually greater than kinetic friction ( $\mu_k$ ) as it resists the start of motion.
$k$	Spring constant, in $\text{N/m}$
$M_E = 5.972 \times 10^{24} , \text{kg}$	Mass of the Earth
$M_M = 7.348 \times 10^{22} , \text{kg}$	Mass of the Moon
$M_M = 1.989 \times 10^{30} , \text{kg}$	Mass of the Sun

Variable	SI Unit
$s$ (Displacement)	$\text{meters (m)}$
$v$ (Velocity)	$\text{meters per second (m/s)}$
$a$ (Acceleration)	$\text{meters per second squared (m/s}^2\text{)}$
$t$ (Time)	$\text{seconds (s)}$
$m$ (Mass)	$\text{kilograms (kg)}$

Simple Harmonic Motion
$F = -k x$
$T = 2\pi \sqrt{\frac{l}{g}}$
$T = 2\pi \sqrt{\frac{m}{k}}$

Variable	Derived SI Unit
$F$ (Force)	$\text{newtons (N)}$
$E$ , $PE$ , $KE$ (Energy, Potential Energy, Kinetic Energy)	$\text{joules (J)}$
$P$ (Power)	$\text{watts (W)}$
$p$ (Momentum)	$\text{kilogram meters per second (kgm/s)}$
$\omega$ (Angular Velocity)	$\text{radians per second (rad/s)}$
$\tau$ (Torque)	$\text{newton meters (Nm)}$
$I$ (Moment of Inertia)	$\text{kilogram meter squared (kgm}^2\text{)}$
$f$ (Frequency)	$\text{hertz (Hz)}$

Prefix	Symbol	Power of Ten
Pico-	p	$10^{-12}$
Nano-	n	$10^{-9}$
Micro-	µ	$10^{-6}$
Milli-	m	$10^{-3}$
Centi-	c	$10^{-2}$
Deci-	d	$10^{-1}$
(Base unit)	–	$10^{0}$
Deca- or Deka-	da	$10^{1}$
Hecto-	h	$10^{2}$
Kilo-	k	$10^{3}$
Mega-	M	$10^{6}$
Giga-	G	$10^{9}$
Tera-	T	$10^{12}$

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Article Content

UBQ, question filters, and 1000 physics practice questions

Jason Kuma

Article Content

Why UBQ?

Phy helps with physics questions

Physics Question Filters

Units

Question Types

Solve Types

Concepts

Difficulty Levels

Answers, Grading, and Phy

Jason Kuma

Units in AP Physics 1

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RE

PS

PQ

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Blue

Orange

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