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In this lesson, we will learn how to describe the forces experienced by electrically charged particles and objects.
An acetate rod is rubbed with a cloth duster, giving the acetate rod a net positive charge and the duster a net negative charge.
Which object has gained electrons?
Which object has lost electrons?
The diagram shows two negatively charged ions. Will the two ions attract or repel each other?
Two positive charges will
each other. Two negative charges
each other. One positive charge and one negative
What are the two types of electric charge called?
The diagram shows two pairs of negatively charged particles. The particles in the first pair (a) are closer together than the particles in the second pair (b).
For which pair of particles will the repulsive force between them be greater? All four charges are equal. The two pairs of particles are in separate locations, far away from each other.
The graph shows the force experienced by two charged particles against how far apart they are. If negative values on this graph represent an attractive force, what are the charges of the two particles?
The buildup of what type of particle gives an object an electric charge?
How many types of electric charge are there?
Two positively charged particles exert a repulsive force on each other that increases as they are brought nearer to each other. What is the name given to this force?
The graph shows the force experienced by two charged particles against how far apart they are. If positive values on this graph represent a repulsive force, what are the charges of the two particles?
The diagram shows two charged particles. Red indicates a positive charge. Blue indicates a negative charge. Will the two particles in the diagram attract or repel each other?
A polythene rod is rubbed with a cloth duster, giving it a net negative charge. A second polythene rod is rubbed with a duster and the two rods are brought close together. What will happen?
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