1. Why do we need it in our daily life?
2. Does it always helpful for us?
3. What do you mean by applying force?
4. List two effects of appliying force on a body?
5. State two condition where force is applied but no work done?
6. How many types of force are there?
7. What is the effect of force on the mass of a body?
Answers
Answer:
7.A force is that which can cause an object with mass to change its velocity, i.e., to accelerate, or which can cause a flexible object to deform. Force can also be described by intuitive concepts such as a push or pull. A force has both magnitude and direction, making it a vector quantity.
6.six kinds
There are six kinds of forces that act on objects when they come into contact with one another: Normal force, applied force, frictional force, tension force, spring force and resisting force. These forces make objects change their motion or movement , the act of going from one place to another.
1.Technology is inevitable in our everyday lives. ... The development of new technologies helps to save lives; it improves work and makes the world better. In reality, technology has played a very important role in how we live in the world today and how we communicate in the atmosphere with everything around us.
3.An applied force is a force that is applied to an object by a person or another object. If a person is pushing a desk across the room, then there is an applied force acting upon the object. The applied force is the force exerted on the desk by the person.
Explanation:
Qno.5 1st condition: pushing a wall.
Qno.6- there are two types of force:
* contact force.
* non contact force.