Let us know that SI Unit of Force. In this article we will tell you what is force. In this article, you will be provided information about the definition, formula, effect and its types of force. For complete information read the given article
What is strength?
Force is an interaction of an object with mass, which causes the velocity of the object to change. It can be defined as pushing or pulling a particular object. Force is a vector quantity which means it has both magnitude and direction. When objects interact with each other, it causes a pushing or pulling in force. For example, when you try to push a ball, it is because of the force acting on the ball that changes its speed. A force applied from outside has the ability to change the position of a particular object. The direction in which the force is applied is known as the direction of that force. In this post, we will discuss everything related to force including its formula and types. Check out the article given below to learn about the force.
unit of force
The SI unit of force is Newton (N). However, force can also be defined in various other units as given in the table below.
|General indications:||F→, F|
|In SI base unit:||kg·m/s2|
|other units||dyne, poundal, pound-force, kip, kilopond|
|Formulas derived from other quantities||F = m a|
Whenever a force is applied to an object, it tends to change its shape, size, speed or direction. It changes the speed of an object. Momentum is the speed of a body. Here are some of the effects that are applied to its objects:
- It changes the direction of an object.
- It can move a body from rest to rest.
- It can increase or decrease or change the speed of an object.
- It can stop a moving body.
- It can change the shape or size of an object.
The force can be found by multiplying the mass (m) and the acceleration (a). The equation for the force formula can be expressed in the form below:
F = at
- m = mass
- a = acceleration
It is calculated in Newton (N) or Kgm/s 2 .
The formula to find acceleration “a” is a = v/t
- v = velocity
- t = time taken
Hence force can be defined as follows; F = mv/t
The inertia formula is written as p = mv which can also be defined in terms of momentum.
types of Force:
There are different types of forces that act on an object. Here are some of the commonly applied types of force:
- muscular force
- mechanical force
- Frictional force
- gravitational force
- electrostatic force
- magnetic force
Let us have a look at the types of force in detail:
- muscular force
It can be simply defined as the force that we apply to daily work, like we lift, breathe, exercise etc. It acts after coming in contact with the object. This force is due to the action of our muscles. When we use our muscles to perform daily tasks, the force of the muscles is exerted on the object.
2. Mechanical Force:
Mechanical force occurs when there is direct contact between two objects where one object is applying force while the other object is in a state of rest or in a state of motion. Someone pushing a door is an example of mechanical force.
3. Frictional force
Frictional force is the opposing force between two surfaces whose main purpose is to create resistance to an object moving in the same direction or opposite direction. When we ride a bicycle, a frictional force acts.
4. Gravitational Force
Gravitational force is the force of attraction that attracts two objects with mass. Earth’s gravitational force pulls us to the ground. It always tries to pull people towards each other and never tries to separate them. It can be defined as Newton’s universal law of gravitation.
5. Electromagnetic Force:
The electromagnetic force is also known as the Coulomb force or the Coulomb interaction. It is the force between two electrically charged objects. According to this force, just as charges attract each other, opposites repel. Lightning is an example of an electromagnetic force.
6. Magnetic Force:
Magnetic force is the force that arises between electrically charged particles due to their motion. The magnetic force can be observed between the poles of the 2 magnets. It is attractive or repulsive in nature depending on the orientation of the object. This can be called an example of a magnetic force (electrostatic force).