When electric flux is said to be positive, negative or zero ?

Which among average speed and average velocity can be positive, negative or zero ?

The work done by a gravitational force acting on a free fall body will be positive , negative or zero ?

The distance covered by an object in the given time duration may be positive, negative or zero.

Assertion: Distance is a actual length of the path but displacement is a shortest distance between initial and final position. Reason: Distance is a scalar quantity and it is always positive but displacement is a vector quantity. It may be positive, negative or zero.

When an object is said to be a particle ?

When an object is said to be in motion ?

It work done positive or negative for stretched spring ?

Write the formula for work . Explain with illustrations when does work will be positive , negative and zero ?

What can be said for electric charge if electric flux assocaited with closed loop is zero ?

Draw the x to t graphs which represent the positive, negative and zero velocity