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Answers
Explanation:
1. A force is a push or pull that causes a change in speed, direction or shape.
Newton's third law says that for every action there is an equal and opposite reaction.
This means that when one object pushes on another with a force, the other object pushes back on the first object with the same force.
2. The force applied by the action of muscles in our body is termed as a muscular force. For example, when you pick up a book placed on the table using your hands, you apply muscular force. It is the force that is exerted by the Earth on every object, which is near or on its surface.
The force that holds the gases in the sun.
The force that causes a ball you throw in the air to come down again.
The force that causes a car to coast downhill even when you aren't stepping on the gas.
The force that causes a glass you drop to fall to the floor.
Everyday Examples of Sliding Friction
Rubbing both hands together to create heat.
A sled sliding across snow or ice.
Skis sliding against snow.
A person sliding down a slide is an example of sliding friction.
A coaster sliding against a table.
A washing machine pushed along a floor.
An iron being pushed across material.
Electrostatics Examples
The force of attraction of the plastic wrap to one's hand and later when hand is removed from the wrap. The attraction of paper to a charged scale by rubbing to hair.