Force fields (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a force field?
What is a force field?
A region with non-contact forces
What does the density of field lines indicate?
What does the density of field lines indicate?
The strength of the field
What creates a gravitational field?
What creates a gravitational field?
Masses
How do like charges behave in an electric field?
How do like charges behave in an electric field?
They repel
What is true about gravitational force?
What is true about gravitational force?
Always attractive
What do electric fields act on?
What do electric fields act on?
Charge
If distance between two masses doubles, what happens to the gravitational force?
If distance between two masses doubles, what happens to the gravitational force?
Becomes one-fourth as strong
What is an equipotential surface?
What is an equipotential surface?
Where potential energy is constant
How much work is needed to move along an equipotential surface?
How much work is needed to move along an equipotential surface?
No work
Which law do both gravitational and electric fields follow?
Which law do both gravitational and electric fields follow?
Inverse-square law