# Physical Sciences Grade 11 P1 March Test 2017 Paper & Memo

> Grade 11 Physical Sciences Paper 1 question paper and memo from the March Test 2017, 10 pages. Read online or get the free PDF download.

- Page: https://www.hlayiso.com/library/phy-sc-p1-march-qp-memo/3b2db88d-5a72-4749-a626-51c85267340b
- Updated: 2026-09-27
- Subject: Physical Sciences
- Grade: Grade 11
- Document type: Question paper and memo
- Year: 2017
- Exam period: March Test
- Paper: 1
- Curriculum: CAPS
- Pages: 10

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## About this document

Physical Sciences · Grade 11 · March Test · 2017. Question paper and memorandum, 10 pages. Read online or download the PDF.

Read it free online on the page above; download the PDF from there.

## Document text

Text extracted from the PDF. Layout, diagrams and tables may not survive extraction.

### Page 1

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Physical Sciences / P1

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2

March 2017 Common Test
NSC

INSTRUCTIONS AND INFORMATION TO CANDIDATES

1.

10.

11.
12.

Write your name on the ANSWER BOOK.

This question paper consists of FOUR questions. Answer ALL the questions in
the ANSWER BOOK.

Start EACH question on a NEW page in the ANSWER BOOK.

Number the answers correctly according to the numbering system used in this
question paper.

Leave ONE line between two subsections, for example between
QUESTION 2.1 and QUESTION 2.2.

You may use a non-programmable calculator.
You may use appropriate mathematical instruments.

You are advised to use the attached DATA SHEET.
Show ALL formulae and substitutions in ALL calculations.

Round off your final numerical answers to a minimum of TWO decimal places.

Give brief motivations, discussions, et cetera where required.

Write neatly and legibly.

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Physical Sciences / P14 3 March 2017 Common Test
NSC

QUESTION 1: MULTIPLE- CHOICE QUESTIONS

Four options are provided as possible answers to.the following questions.
Each question has only ONE correct answer. Write only the letter (A - D)
next to the question number (1.1 — 1.4) in the ANSWER BOOK,

for example 1.5 D.

1.1. Which ONE of the following forces ALWAYS acts perpendicular to the surface on
which an object is placed.

A normal force

B tension force

Cc frictional force

D gravitational force (2)

1.2. Two objects of masses m and 2m are arranged as shown in the diagram below:

q
~<

>

Which ONE of the changes below wil! produce the GREATEST increase in the
gravitational force exerted by the one mass on the other.

halve the smaller mass.

double the larger mass.

halve the distance between the masses.

double the distance between the masses. (2)

uO WD >

1.3. Two forces R and S are applied simultaneously on an object Q as shown in the sketch |

below:
Ss
R Q \
To obtain a maximum resultant force the angle, ©, between force R and force S must
be... 4
A 180° B 120° Cc 60° D 0° (2)

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Physical Sciences / P41 4 March 2017 Common Test

NSC

1.4 Apoint P, is kept in equilibrium by three forces, F, G and H, as shown in the diagram below:

F

Which ONE of the following statements is NOT TRUE with reference to the
three forces?

A

B
Cc
D

all three forces lie in the same plane.
the resultant of the three forces is zero.
H is the resultant of F and G acting together.

the sum of the components of all three forces in any chosen direction
is zero. (2)

[8]

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Physical Sciences / P14 March 2017 Common Test

NSC

QUESTION 2

An object of mass 44,65 kg is suspended vertically in the air by TWO forces Fy
| and F2 as shown in the sketch below:

Fp
Fy
oo 60°
44,65 kg
F, makes an angle of 60° with the vertical as shown, ;
|
2.1 F; and F2 are classified as vectors. Define a vector. (2) |
2.2 The object can be suspended vertically by a SINGLE FORCE instead of
Fy and Fe.
2.2.1 Provide a suitable name for this single force that can replace F, 7
and Fo. : (1)
2.2.2 Calculate the magnitude of this single force. (3) yt
2.3. The vertical component of F; has a magnitude of 262, 54 N. Calculate the magnitude
of Fz. (5)
[11]

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Physical Sciences / P4 6 March 2017 Common Test
NSC

QUESTION 3

3.1. State Newton’s Second Law of motion, in words. (2)

3.2 The diagram below shows two blocks, each of mass 8 kg and 12 kg
respectively, joined by an inelastic string of negligible mass. The string runs
over a frictionless pulley.

The 12 kg block is on a rough horizontal surface while the 8 kg block is
suspended as shown in the diagram below.

string

12 kg

string

Both the 12 kg and 8 kg blocks move with constant velocity.

3.2.1 Draw a labelled free body diagram to show ALL the forces that act on

the 8 kg block. (2)
3.2.2 By means of a calculation, show that the tension in the string that joins the

TWO blocks together is 78,40 N. (2)
3.2.3 Draw a labelled free body diagram to show ALL the forces that act on the

12 kg block as it moves with constant velocity. (4)
3.2.4 Write down the magnitude of the net force acting on the 12 kg block. (1)
3.2.5 Define frictional force. (2)

3.2.6 Calculate the co-efficient of kinetic friction between the 12 kg block and the
surface. (4)

3.2.7 If the 12 kg block had a larger surface area in contact with the surface, how
would this affect the co-efficient of kinetic friction calculated in 3.2.6 above.
Assume that the rest of the system remains unchanged. Only write down,
INCREASES, DECREASES or REMAINS THE SAME.
Give a reason for the answer. (2)
[19]

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Physical Sciences / P1 March 2017 Common Test
NSC

QUESTION 4

A body of mass 16 kg and radius 0.10 m is placed a distance “x” m, from another
body of mass 48 kg and radius 0,15 m as shown in the sketch below:

| xm
16 kg 48 kg
|

4.1. State Newton's Law of Universal Gravitation, in words. (2)

4.2 Give reason why Newton’s Law of Universal Gravitation is said to be
UNIVERSAL. (1)

4.3 It is observed that the 16kg body exerts a force of magnitude 2,30 x 10° N
on the 48kg body when they are placed as shown in the sketch above.

4.3.1 Write down the magnitude of the force that the 48 kg body exerts on the

16 kg body. Give a reason for the answer. (3)

4.3.2 Calculate the distance, x. (6)
[12]

TOTAL: 50

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Physical Sciences / P1 March 2017 Common Test

NSC

DATA FOR PHYSICAL SCIENCES GRADE 11
PAPER 1 (PHYSICS)

GEGEWENS VIR FISIESE WETENSKAPPE (FISIKA) GRAAD 11
VRAESTEL 1 (FISIKA)

TABLE 1: PHYSICAL CONSTANTS/TABEL 1: FISIESE KONSTANTES

NAME/NAAM SYMBOL/SIMBOOL VALUE/WAARDE
Acceleration due to gravity 2
Swaartekragversnelling 9 9,8ms
Universal gravitational constant 1 rate 2
Swaartekragkonstante G 6.67 x 107) Nim™kg

TABLE 2: FORMULAE/TABEL 2: FORMULES

FORCE/KRAG
Frot = Ma Fy = mg
F< mime
r
7" =p.N fy = UyN

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