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Q2. State whether the following statements are true or false.

(a) All objects in motion have a frictional force acting on them.

(b) Electrostatic force is a non-contact force.

(c) Muscular force does not require contact between two objects.

Sagot :

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Final answer:

Contact forces arise when objects are touching, friction opposes motion, and electrostatic force acts without physical contact.


Explanation:

Contact forces are forces that occur when two objects are touching each other. Examples of contact forces include friction and normal force.

Friction is a contact force that opposes motion between objects. It can be static or kinetic depending on whether the objects are stationary or moving relative to each other. For example, the friction between a moving car's tires and the road is a kinetic friction force.

Electrostatic force is a non-contact force that acts between charged objects without physical touch. This force is the attraction or repulsion between charged particles, such as the force between two charged balloons when brought close together.


Learn more about Contact and non-contact forces here:

https://brainly.com/question/15682593


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