Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Spring - Pulley - Mass system. Proving omega is a certain value
- Anavra
- · Replies 1 ·
Ball swinging from a rope - Net force and curved path
- jbow615
- · Replies 4 ·
How Much Force is Needed to Raise a Block on a Frictional Wedge?
- amal
- · Replies 7 ·
Mass of air breathed during diving
- TheBelgiumWaff
- · Replies 7 ·
Change in kinetic energy of 12 kg box with friction coefficient 0.23
- jbow615
- · Replies 3 ·
Car stopping distance with reaction time and deceleration
- ithrowboxes
- · Replies 1 ·
Finding force exerted if you know tension, mass, and distance
- astru025
- · Replies 10 ·
Finding friction direction when a bar rests on counter-rotating rollers
- Saitama
- · Replies 11 ·
Calculating the Work done from an Incline with Friction Problem
- Iconic
- · Replies 1 ·
Torque, rotational inertia and angular acceleartion
- urbano
- · Replies 4 ·
Adding sines and cosines tip to tail
- mbigras
- · Replies 1 ·
How to Calculate Normal Forces in a Uniform Board System
- astru025
- · Replies 21 ·
Getting currents in ammeter, with some resistances.
- dhkdeoen
- · Replies 12 ·
Finding the kinetic energy of a proton in megaelectron volts?
- Violagirl
- · Replies 1 ·
The Field of an Electric Dipole
- Violagirl
- · Replies 2 ·
Solving Magnetic Field Problems: Cylinder of Permanent Magnetization
- Dassinia
- · Replies 1 ·
Measuring an angle in non-inertial frame reference
- Sonya36
- · Replies 2 ·
How Does Hail Impact Force Compare to Rain Despite Similar Mass and Size?
- ericka141
- · Replies 3 ·
The Work Done on a Sliding Box: How to Calculate Friction and Applied Force
- murrskeez
- · Replies 1 ·
Force of a charge Q at the origin?
- Violagirl
- · Replies 5 ·
Solving for temperature using Wiens Law
- FaraDazed
- · Replies 4 ·
Frequency of Oscillations in an Electrostatically Charged Bead in a Tube
- Numeriprimi
- · Replies 7 ·
Proof related to angular momentum
- Saitama
- · Replies 5 ·
Induced Current Due to a Solenoid
- zachfoltz
- · Replies 1 ·
Calculating FBD Forces for Acceleration: Solution Verification and Analysis
- shizaep
- · Replies 5 ·
Force exerted from car on trailer question
- Joshuava
- · Replies 7 ·
Quantum - Find the formal expression of the coefficient cn(t=o)
- Dassinia
- · Replies 4 ·
Superposition of Electric Potential problem
- Lo.Lee.Ta.
- · Replies 2 ·
Solve 3D Statics Problem: Find Direction Angles of Vector Force
- sevag00
- · Replies 5 ·
Solving Wood Block Force Problem vs Wall: Net Force Calculation
- Sylis
- · Replies 6 ·
Ferris Wheel work done by net force
- PsychonautQQ
- · Replies 7 ·
Net force and potential energy on the Earth-Moon line
- brindha-rocks
- · Replies 1 ·
Find wave speed by using relation x-y at given time.
- NihalSh
- · Replies 19 ·
Having trouble solving Nonconservative Force problem
- Iconic
- · Replies 12 ·
What is the direction and magnitude of the frictional force?
- jimmyboykun
- · Replies 10 ·
Kinematics - Calculating Distance
- Insolite
- · Replies 3 ·
Water Slide Mechanical Energy Problem
- StormPix
- · Replies 2 ·
Why does the acceleration of m2 equal twice the acceleration of m1 in a pulley system?
- FeelTheFire
- · Replies 4 ·
Solving Vector Math: vi, vf, t, a
- ahmed1237
- · Replies 2 ·
Centripetal acceleration of the satellite?
- magnolia1
- · Replies 3 ·
Why Does the Rope Snap When Bob Accelerates His Truck?
- Ambushes
- · Replies 1 ·
Particle in uniform circular motion
- shreddinglicks
- · Replies 1 ·
What is the final position of the stone after being stopped by the spring?
- lgn_barnard
- · Replies 5 ·
Charged Metallic Sphere Touching Spherical Shell From Inside
- chayanne
- · Replies 3 ·
Can Static Friction Do Work on an Object?
- PsychonautQQ
- · Replies 2 ·
What is the radius of curvature for a proton moving in a magnetic field?
- Baumer8993
- · Replies 5 ·
Rain traces on a moving car's window at 60° angle
- Calabi_Yau
- · Replies 2 ·
Greater electric potential but less electric potential energy?
- Lo.Lee.Ta.
- · Replies 5 ·
Bullet embedded in block compressing spring
- Jabababa
- · Replies 7 ·
How can I calculate velocity and time in a physics lab on energy?
- astru025
- · Replies 5 ·
Center of Mass (Boxcar water example)
- BMcC
- · Replies 6 ·
Fractional change in resonant frequency of damped oscillator
- mbigras
- · Replies 8 ·
Why Does a Simple Pendulum Have a Constant ω If Its Velocity Changes?
- bananabandana
- · Replies 2 ·
What Is the Car's Acceleration Given These Forces?
- harujina
- · Replies 4 ·
Swinging an object in a vertical plane
- STEMucator
- · Replies 4 ·
Quantitatively Compare the values of objects A and B
- AnthonyTufo
- · Replies 2 ·
Using superposition to find voltage with mixed series-parallel resistors
- yugeci
- · Replies 10 ·
Calculating Photon Momentum and Speed for a 1205 kg Spaceship with a Square Sail
- thatguy101
- · Replies 2 ·
Friction between two stacked objects
- Panphobia
- · Replies 8 ·
How Do Friction and Human Force Affect Work Done on a Box?
- gcharles_42
- · Replies 3 ·
Finding the third piece's momentum after explosion
- NoobeAtPhysics
- · Replies 3 ·
How can we solve problems involving friction with two bodies accurately?
- fogvajarash
- · Replies 9 ·
Calculating Work and Friction in a Box on a Flat Floor
- gcharles_42
- · Replies 9 ·
Acceleration of two masses on string
- cowmoo32
- · Replies 8 ·
How Do Newtonian Forces Affect the Interaction Between Two Blocks?
- Nicolaus
- · Replies 1 ·
Force in muscles supporting Achilles tendon at 29° to vertical
- oh-jcb
- · Replies 1 ·
How Do Forces Interact on a Frictionless Pulley System with Inclined Planes?
- zara2939
- · Replies 1 ·
Moment calculation, bearing reactions, and truss force directions
- princejan7
- · Replies 3 ·
Determining Planck's Constant [Resolved]
- Hapablap
- · Replies 1 ·
Physics Center of Mass, driving me nuts
- NoobeAtPhysics
- · Replies 2 ·
Flea jumping force from acceleration vs time graph
- pepov
- · Replies 10 ·
Solve Acceleration of Inclined Plane Given z,P,A
- Plutonium88
- · Replies 5 ·
How Do You Calculate Mass M1 in a Frictionless Incline Problem?
- NoobeAtPhysics
- · Replies 4 ·
What is the Polar Moment of Inertia and How is it Calculated?
- member 392791
- · Replies 10 ·
Spider on truck wall going around banked circular track
- Nicolaus
- · Replies 9 ·
Minimizing Distance Between Two Moving Objects
- Rct33
- · Replies 11 ·
Marble in horizontal circular motion at 37°, finding speed from string length
- klc2006
- · Replies 6 ·
Calculate the packing fraction of an FCC pyramid
- ODBS
- · Replies 3 ·
Dimensions related to Planck's constant H
- ODBS
- · Replies 4 ·
Multi-Mass Force/Acceleration problem
- adorfy
- · Replies 5 ·
1st Law of Thermodynamics (Open System)
- SherlockOhms
- · Replies 1 ·
Acceleration of car on a gradient
- Molly1235
- · Replies 8 ·
How can Fourier analysis help find the spring constant (k)?
- southport
- · Replies 7 ·
Comparing kinetic and internal energy of diatomic and monatomic ideal gases
- Tanya Sharma
- · Replies 7 ·
(Momentum) Two people on a platform
- Mr. Box
- · Replies 3 ·
Understanding Polar Coordinate Unit Vectors
- Panphobia
- · Replies 37 ·
Loop-the-loop - constant velocity assumed?
- herschko
- · Replies 13 ·
Newton's Third Law Problem [Checking Solution]
- oMovements
- · Replies 2 ·
How Does Friction Affect the Deceleration and Distance Traveled by a Motorboat?
- prehisto
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C(v,m) vs C(p,m) and adiabatic, reversible work
- speny83
- · Replies 6 ·
Forces and Motion - Ramp Question
- Scimitar
- · Replies 2 ·
Electric Flux, Gauss's Law Problem
- henryli78
- · Replies 4 ·
Momentum of an astronaut floating in space
- nathancurtis11
- · Replies 9 ·
How Do You Solve a Newton's Second Law Problem with a Free Body Diagram?
- oMovements
- · Replies 3 ·
Calculate the electric flux piercing a cube?
- vmr101
- · Replies 3 ·
Solving Tension at an Angle: Friction, Force, Coefficient
- Yshai24
- · Replies 4 ·
Projectile motion maximum range problem
- FaraDazed
- · Replies 10 ·
A Rolling Bat Struck by a Ball
- A. Aspart
- · Replies 1 ·
Constant velocity needed to catch an accelerating hummer 20 m away
- Speedking96
- · Replies 14 ·
Average acceleration given three velocity vectors?
- Esoremada
- · Replies 2 ·