Question

How does head to tail rule helps us to find resultant of force​

Answer 1

Chapter 4: Turning effect of forces

1.

Define the following:

I.

Resultant vector

The single vector which has the combined effect of all the vectors to

be added is called as “resultant vector”.

II.

Torque

Turning effect of force is called as torque.

III.

Centre of mass

The point in a body at which whole mass in concentrated. When force is applied on this point the body moves along the force without rotation.

IV.

Centre of gravity

The point in a body where whole weight of the body seems to be acting is called as Centre of gravity.

2.

Differentiate the following:

I.

Like an unlike forces

Like forces acts in the same direction,