Plank, Man, and Block System

The Plank–Man–Block system is a classic problem in Newtonian mechanics used to analyze the interaction of multiple bodies connected or placed together. It consists of a plank on a smooth or rough surface, a man standing on it, and a block (either tied or placed on the plank).

Key points considered:

Forces acting on each body: Gravitational force, normal reaction, frictional force (if any).

Newton’s Laws of Motion: Each body can move relative to the ground or relative to the plank.

Action–Reaction pairs: Forces between the man and plank, and between block and plank.

Friction: Determines whether slipping occurs between the block/man and the plank.

Conservation of Momentum: If the system is on a frictionless surface, the motion is governed by internal forces, so the center of mass remains unchanged.

This topic helps students understand how forces are distributed and how motion is analyzed when multiple bodies interact via friction and normal forces.

Would you like me to make:

A detailed derivation of motion equations for this system,

A diagram with forces labeled, or

Both?
you can learn complete physics for jee neet cuet through my channel without any fee. you will get full length classroom video, study material, dpps and their video solutions on my channel.

#PYQ #previousyearquestions #workenergypower # Work-Energy-Power #jee #neet #electrostatics #physics #aakash #allen #physicswallah #motion #pw #competition #neet2023 #neetmotivation #neetcoaching #IIT-JEE| #Geeneralphysics #kinematics #11thphysics #11thclass #esaral_learning #esaralneet #esaral_neet #esaral_jee #esaral #nishant_sir_unacademy #etoosindianeet #etooseducation #vedantu #vedantacademy #sachinsirphysics #competition_wallah #mrsirphysics #mrsirphysicswallah #mrsirphysicskota #mrsirkota #jeemain #jeeadvance #pwdisciple #theapronboy #bhannatmaths #nishantjindal # jeewallah #theudaari # vyasedification #pwemotions #vaibhavkapoor #ayushtiwari #beastchemist #anipwdox # allenbrajeshmeheshwari #mohittyagi
#pwvidyapeethkota #esaral_learning #sankalpjauhari #doctor #joshtalks #sankalpjauhari #theudaari #physicsgalaxy #mrsirphysicskota #shobhitnirwan #general physics #laws of motion #work #energy #power #centre of mass #conservation of momentum #rotation #gravitation #fluid mechanics #properties of matter #kinematics #heat and thermo #kinetic theory of gases #shm and waves #calorimetery #radiation #current electricity #electromagnetism #alternating current #electromagnetic waves #ray optics #wave optics #modern physics #semiconductor #atomic structure #photoelectric effect #xrays #nuclear physics #radioactivity #transistor #logic gates