Normal force P, Q and friction at Q, which force(s) will increase as the man climbs up the ladder?

When a body is in equilibrium, there are two conditions.

1) Net moment is zero: POM, anticlockwise moment = clockwise moment

2) Net force is zero: total upward forces = toward downward forces

Answer: Option D

View the explanation:

Man climbing up a ladder, normal force at P, Q and friction at Q, which will increase? https://youtu.be/7Z_wzkpBY3c

What happens to the reading on the electronic balance when current flow through the wire?

We are all familiar to applying FLHR to the current-carrying wire. But actually there is an equal and opposite force acting on the magnet too! Magnetic force is an action-reaction pair (Newton’s 3rd Law)

View the video explanation

What happens to the readings on the electronic balance when currents flow through the wire?

https://youtu.be/6R32DsGNkic

What happens to the readings on the electronic balance when currents flow through the wire? https://youtu.be/6R32DsGNkic

Converging lens - Which shows the image formed correctly?

Answer: Option A

View the explanation

Converging lens - Which shows the imaged formed correctly? https://youtu.be/qlRh1IY3la4

Click here to view the basic concepts of converging lens

https://www.sgphysicstuition.com/post/converging-lens-overview