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What is a object when it has equal numbers of positive and negative charges?
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Is plastic wrap a positive or a negative?
It is a negatively charged object
Why is gravitational potential always negative?
because gravity is a force that acts down on an object. In physics up is positive and down is negative
How are positive numbers used in real life situations?
The measurement of a length of an object is always a positive number.
Can a speed of a body be negative?
The 'speed' of a body cannot be negative. But if you are stating the 'velocity' then it can be negative. Negative velocity means it is going opposite to the direction that you decided to call the positive direction.
How do you find the final velocity if the acceleration is negative?
It depends on what information you have. Also, velocity can be negative - it just means that the object is travelling in the direction opposite to the positive direction for the velocity vector.
A neutral object must have?
equal numbers of positive and negative charges.
Is an object without a charge repelled by both positive and negative charges?
Positive and negative charges would have not effect on an object without charge.
Does wool have a negative or positive charge?
both because every object has both positive and negative charges but mainly has positive charges.
What causes a substance to have a positive charge?
the object has to have more positive charges than negative charges.
What three charges can an object have?
positive, negative, and neutral
How can an object have a neutral charge if part of the object has a positive and a negative charge?
If the positive and negative charges are equal, then the object has a 'net' neutral charge.
What are the two like charges?
a positive and a positive or a negative and a negative. Object with the same charge. Like charges repel each other.
Where there is an equal amount of positive and negative charges on an object the object is?
Electrically neutral
What happens to an object with positive and negative charges?
They attract eachother.
Why can magnets attract an object?
magnets have negative and positive charges
When polarizing an object what happens to the charge in the object?
They separate, with positive charges on one side and negative charges on the other.
When positive and negative charges are sparated into different parts of an object the object is said to be?
polarized
