Question

1. Write the differences between contact force and field force?
2. write two examples for contact force.
3. write two examples for field force.
MCOS
1.
The force acting on an object is a
A) Field force
B) Contact force
D) None of the above
C) Field force or Contact force
2.
The force acting on a stone thrown up is
A) Field force
B) Contact force
D) None of the above
C) Both Field force and Contact force
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Answer 1

Answer:

A contact force exists when two objects ate in contact with each other. It is a direct force and require a contact. A field force is a force which does not require direct contact between the bodies. In this case, the objects interact without touching each other.

Pushing a car up a hill or kicking a ball across a room are some of the everyday examples where contact forces are at work. In the first case the force is continuously applied by the person on the car, while in the second case the force is delivered in a short impulse.

Examples of force fields include magnetic fields, gravitational fields, and electrical fields.

Answer 2

Answer:

1) A contact force exists when two objects ate in contact with each other. It is a direct force and require a contact. A field force is a force which does not require direct contact between the bodies. In this case, the objects interact without touching each other.

2) Examples of contact forces include contact forces include:

• Reaction force. An object at rest on a surface experiences reaction force . ...
• Tension. An object that is being stretched experiences a tension force. ...
• Friction. Two objects sliding past each other experience friction forces. ...
• Air resistance.

3) Examples of force fields include magnetic fields, gravitational fields, and electrical fields.

Explanation:

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