What is force? Explain with 3 examples.
What is state of motion? How can a force change the state of motion.
What are the effect of force?
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Answers
Answer:
In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity.
Gravitational force.
Electric force.
Magnetic force.
Nuclear force.
Frictional force
A cricketer uses force to change the direction of an incoming ball. To summarize, a force is a push, pull, or dragging on an object that affects the object's state of motion. The force may also cause a combination of the above effects, it may both accelerate/ decelerate and change the direction of the object.
A force acting on an object causes the object to change its shape or size, to start moving, to stop moving, to accelerate or decelerate. When there's the interaction between two objects they exert a force on each other, these exerted forces are equal in size but opposite in direction.
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→A push or a pull on an object is called force. Eg:
(i) Kicking a football.
(ii) Pulling the luggage.
(iii) lifting the cricket ball.
→A force arises due to the interaction between two objects. Force has magnitude as well as direction. A change in the speed of an object or the direction of its motion or both implies a change in its state of motion. Force acting on an object may cause a change in its state of motion or a change in its shape.
→A force acting on an object causes the object to change its shape or size, to start moving, to stop moving, to accelerate or decelerate. When there's the interaction between two objects they exert a force on each other, these exerted forces are equal in size but opposite in direction.
→Hope this will help you :)