1.
State what is meant by suvat. [1]
JD SCIENCE
Mechanics and materials
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 projectile motion. [1]
3.
State what is meant by moments. [1]
4.
State what is meant by density and pressure. [1]
5.
State what is meant by Young modulus. [1]
6.
State what is meant by stress and strain. [1]
7.
State what is meant by energy stored in a spring. [1]
8.
State what is meant by terminal velocity. [1]
9.
State what is meant by resolving vectors. [1]
10.
State what is meant by centre of mass. [1]
11.
Amira is asked about suvat in a AQA Physics paper.
(a) Describe suvat. [2]
(b) Explain why suvat is important in this topic. [3]
12.
Amira is asked about projectile motion in a AQA Physics paper.
(a) Describe projectile motion. [2]
(b) Explain why projectile motion is important in this topic. [3]
13.
Amira is asked about moments in a AQA Physics paper.
(a) Describe moments. [2]
(b) Explain why moments is important in this topic. [3]
14.
Amira is asked about density and pressure in a AQA Physics paper.
(a) Describe density and pressure. [2]
(b) Explain why density and pressure is important in this topic. [3]
15.
Amira is asked about Young modulus in a AQA Physics paper.
(a) Describe Young modulus. [2]
(b) Explain why Young modulus is important in this topic. [3]
16.
Amira is asked about stress and strain in a AQA Physics paper.
(a) Describe stress and strain. [2]
(b) Explain why stress and strain is important in this topic. [3]
17.
s = ut + ½at². u=0, a=10, t=3 [3]
18.
Range: ux=12, t=2.0 s [3]
19.
Stress if F=80 N, A=0.50×10⁻⁶ m² [3]
20.
Strain if ΔL=0.40 mm, L=2.0 m [3]
21.
E = stress/strain from those values [3]
22.
½ke². k=200, e=0.050 [3]
23.
Amira carries out a AQA-style required practical linked to mechanics and materials. This is a typical AQA 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.
Amira carries out collecting valid data for mechanics and materials. This is a typical AQA 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.
Amira carries out drawing a graph for mechanics and materials. This is a typical AQA 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.
Amira carries out evaluating a method about mechanics and materials. This is a typical AQA 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 suvat with projectile motion. [4]
28.
Compare projectile motion with moments. [4]
29.
Compare moments with density and pressure. [4]
30.
Compare density and pressure with Young modulus. [4]
31.
Apply your knowledge of energy stored in a spring to this situation: area under F–x [3]
32.
Apply your knowledge of terminal velocity to this situation: resultant zero [3]