If two identical forces are applied to a body from two sides, the forces                                  and so there is no                             .
An in-built resistance to change in what they are doing is called the                of the body.
The quantity of material that something contains is not weight but the
A body's acceleration is always                                         to the resultant force acting on it.
The acceleration of a body is always                                           to their mass.
"g" stands for 

Physics Quiz