1.
State what is meant by Newton's law of gravitation. [1]
JD SCIENCE
Fields and particles
Answer all questions. Show working. Answers are in a separate file on the Worksheets page — do not look at them until you have finished.
2.
State what is meant by gravitational field strength. [1]
3.
State what is meant by gravitational potential. [1]
4.
State what is meant by Coulomb's law. [1]
5.
State what is meant by electric field strength. [1]
6.
State what is meant by capacitance. [1]
7.
State what is meant by magnetic flux. [1]
8.
State what is meant by Faraday and Lenz. [1]
9.
State what is meant by a charged particle in a B field. [1]
10.
State what is meant by orbital motion of satellites. [1]
11.
Jac is asked about Newton's law of gravitation in a Eduqas Physics paper.
(a) Describe Newton's law of gravitation. [2]
(b) Explain why Newton's law of gravitation is important in this topic. [3]
12.
Jac is asked about gravitational field strength in a Eduqas Physics paper.
(a) Describe gravitational field strength. [2]
(b) Explain why gravitational field strength is important in this topic. [3]
13.
Jac is asked about gravitational potential in a Eduqas Physics paper.
(a) Describe gravitational potential. [2]
(b) Explain why gravitational potential is important in this topic. [3]
14.
Jac is asked about Coulomb's law in a Eduqas Physics paper.
(a) Describe Coulomb's law. [2]
(b) Explain why Coulomb's law is important in this topic. [3]
15.
Jac is asked about electric field strength in a Eduqas Physics paper.
(a) Describe electric field strength. [2]
(b) Explain why electric field strength is important in this topic. [3]
16.
Jac is asked about capacitance in a Eduqas Physics paper.
(a) Describe capacitance. [2]
(b) Explain why capacitance is important in this topic. [3]
17.
g=GM/r². M=6.0×10²⁴, r=6.4×10⁶, G=6.67×10⁻¹¹ [3]
18.
E=V/d. 12 V, 4.0 mm [3]
19.
C=Q/V. 6.0 µC, 3.0 V [3]
20.
½QV for those values [3]
21.
F=BQv. B=0.20, Q=1.6×10⁻¹⁹, v=3.0×10⁶ [3]
22.
ε=NΔΦ/Δt. N=50, ΔΦ=0.040, Δt=0.10 [3]
23.
Jac carries out a Eduqas-style required practical linked to gravitational, electric and magnetic fields. This is a typical Eduqas required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
24.
Jac carries out collecting valid data for gravitational, electric and magnetic fields. This is a typical Eduqas required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
25.
Jac carries out drawing a graph for gravitational, electric and magnetic fields. This is a typical Eduqas required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
26.
Jac carries out evaluating a method about gravitational, electric and magnetic fields. This is a typical Eduqas required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
27.
Compare Newton's law of gravitation with gravitational field strength. [4]
28.
Compare gravitational field strength with gravitational potential. [4]
29.
Compare gravitational potential with Coulomb's law. [4]
30.
Compare Coulomb's law with electric field strength. [4]
31.
Apply your knowledge of magnetic flux to this situation: weber [3]
32.
Apply your knowledge of Faraday and Lenz to this situation: opposes the change [3]