Answer: Option A View the video for explanation

Answer: Option A Firstly, you need to know that at both pivot P and Q, there are normal contact forces acting upwards on the plank. 2...

Using the concepts that POM, we know 1) Ma = Mc 2) net force on the stick is 0N. Most of us will most likely to take pivot about P as...

Answer: Option D

There are two main types of balancing toys. Type 01: CG below the pivot point Type 02: CG above the pivot

This video goes through the basic concepts that is required for moment questions. Go through the whole video to have know the different...

When a system is in equilibrium , 2 conditions are met. 1) Principle of Moment (POM): Sum of anticlockwise moment = Sum of clockwise...

Solutions: (a) (i) A bigger force than F can be obtained due to the lever system and hydraulic system . Lever system: Applying...

A man is standing on a uniform plank of mass 20 kg and 6 m long. He is standing 1 m from the string at A. a) Find the unknown forces FA...

Note: Non-uniform plank means the CG of the plank is not at its centre a) Find the weight of the boy. b) How far is the centre of gravity...

Given that the mass of the drum is 20 kg. What is the minimum force, F, required to just movee th drum off the ground? (Assume uniform...