Fill ups:
1. State the definition of force.
Force is an external effort in the form of push or pull. Force has . So, it is a quantity.
Types of forces depending on the direction in which it acts, they can be classified into two types as: , and
2. Define unlike parallel forces.
forces of acting along directions, to each other, are called .
3. Define resultant force.
When several forces act on the body, then the combined effect of the multiple forces can be represented by a single force, which is named asd.
4. Define unbalanced forces.
If the resultant force acting on a body is to , then the body will be in . Such forces are called .