This document contains 278 questions, ready to fill, based on the Fields and their Consequences topic for AQA Physics. These questions are based on every point in the Specification provided by AQA, therefore covering all content required from this module.
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Fields and their Consequences Active Recall QUESTIONS:
1. What is a force field?
2. What is a non-contact force? What
does it cause to the body it is acting
on?
3. What are the three main non contact
forces?
4. How can the direction of a force be
represented?
5. What are six similarities between
gravitational and electrostatic forces?
6. What are three differences between
gravitational and electrostatic forces?
7. What is responsible for the weight of
all objects on earth?
8. What is a gravitational field defined
as?
9. What is the direction of a gravitational
field?
10.Are gravitational forces attractive or
repulsive?
11.What is the range of gravity?
12.How is the strength of a gravitational
field calculated at a point?
13.What factors affect the gravitational
field strength at the surface of a
planet?
14.How is the direction of a gravitational
field represented?
15.On a point mass, how are the
gravitational field lines drawn?
16.On a uniform field, how are the
gravitational field lines drawn?
17.What does it mean for something to
have a non-uniform field?
18.What is a uniform field?
19.What makes a sphere uniform?
20.When can an object be regarded as a
point mass?
21.When does Newton’s law of
gravitation apply?
22.What is Newton’s law of gravitation?
23.What law does Newton’s law of
gravitation follow?
24.How can the gravitational field
strength of a radial field be
calculated?
25.As you get further from the earth’s
surface, how does the value of g
change?
26.What does the graph look like for g
plotted against the distance from the
centre of a planet?
, 27.What is gravitational potential energy?
28.How do you calculate the gravitational
potential energy?
29.What is the GPE on the surface of the
earth
30.What is the gravitational potential at a
point defined as?
31.Is gravitational potential positive or
negative?
32.Why is gravitational potential a
negative value?
33.At infinity, what is the value of
gravitational potential?
34.What needs to be done to a mass to
make it reach infinity? Why?
35.What is gravitational potential
difference?
36.What equation is used to find the
gravitational potential?
37.Is potential a scalar or vector
quantity?
38.As a mass moves away from a planet,
does the gravitational potential
become smaller or larger? Why?
39.What can a graph of gravitational
potential against the distance from
point mass show?
40.What relationship do r and V have on a
V-r graph?
41.What should a V-r graph look like?
42.What can a graph of gravitational field
strength against the distance from
point mass show?
43.What relationship do r and g have on a
g-r graph?
44.What should a g-r graph look like?
45.How would you calculate the work
done in moving a mass?
46.When a mass is moved against the
force of gravity, what is the work done
equal to at that point?
47.Which situation can the mgh equation
be used in?
48.What is an equipotential line?
49.What do the equipotential lines look
like for a radial field?
50.What do the equipotential lines look
like for a uniform field?
51.What work is done when moving along
an equipotential surface, and between
equipotential surfaces?
52.What other force is needed for a
planet to stay in orbit of another
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