1. Identify the agent exerting force and the object on which it acts when a piece of lemon is squeezed between fingers and juice come out.
2. Explain that force are due to an interaction between objects.
3. What are the effects of force?
4. Explain contact and non-contact forces?
5. Explain the force of gravity?
Answers
Answer:
Explanation:
While squeezing a piece of lemon between the fingers to extract its juice, we use muscular force which acts on the lemon and as the effect of the force, shape of the lemon changes. We use muscular force which acts on the tube to take out the ointment and as the effect of the force; shape of the tube get changed
2). Interaction involves two objects.In Interaction each object act in such a way as to have an effect on the other object. ... Interaction of one object with another object results in force between two objects. At least two objects must interact with each other for a Force to come into play.
3). 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.
4). A non-contact force is a force which acts on an object without coming physically in contact with it. ... In contrast a contact force is a force applied to a body by another body that is in contact with it.
5). Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects and the Earth. It is an attraction that exists between all objects, everywhere in the universe.
Answer:
(1) In squeezing a piece of lemon, force responsible is muscular force which changes the shape of the lemon and the agent exerting the force is fingers.
(2) Interaction involves two objects.In Interaction each object act in such a way as to have an effect on the other object. ... Interaction of one object with another object results in force between two objects. At least two objects must interact with each other for a Force to come into play.
(3)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.
(4)A non-contact force is a force which acts on an object without coming physically in contact with it. ... In contrast a contact force is a force applied to a body by another body that is in contact with it.
(5) Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects and the Earth. It is an attraction that exists between all objects, everywhere in the universe.
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