# WME01 Mechanics 1 (M1) Oct/Nov 2025 Paper 01A

Pearson Edexcel International A Level WME01 Mechanics 1 (M1) past paper 01A, Oct/Nov 2025. Open it online or download the question paper PDF free.

- Page: https://mathvsarham.com/past-papers/wme01/2025-oct-nov-paper-01a/
- PDF: https://mathvsarham.com/papers/wme01/WME01_oct-nov_2025_paper_01A_qp.pdf
- Board: Edexcel
- Qualification: Pearson Edexcel International A Level
- Subject: WME01 Mechanics 1 (M1) (https://mathvsarham.com/past-papers/wme01/)
- Session: Oct/Nov 2025
- Paper: 01A
- Component code: WME01/01A
- Time allowed: 90 minutes
- Total marks: 75
- Pages: 32

## Question paper text

Extracted automatically from the PDF; diagrams are missing and notation may be imperfect.

Question 1
Two particles P and Q are moving in opposite directions along the same horizontal straight line. Particle P is moving due east and particle Q is moving due west. Particle P has mass 2m and particle Q has mass 3m. The particles collide directly. Immediately before the collision, the speed of P is 4u and the speed of Q is u.
The magnitude of the impulse in the collision is 33/5 mu.
(a) Find the speed and direction of motion of P immediately after the collision. [3]
(b) Find the speed and direction of motion of Q immediately after the collision. [3]

Question 2
(2 kg) (3 kg)
[Diagram or table: see page 3 of the paper]
A plank AB, of length 6 m and mass 4 kg, rests in equilibrium horizontally on two supports at C and D, where AC = 2 m and DB = 1 m.
A brick of mass 2 kg rests on the plank at A and a brick of mass 3 kg rests on the plank at B, as shown in Figure 1.
The plank is modelled as a uniform rod and all bricks are modelled as particles.
(a) Find the magnitude of the reaction exerted on the plank
(i) by the support at C,
(ii) by the support at D. [6]
The 3 kg brick is now removed and replaced with a brick of mass x kg at B.
The plank remains horizontal and in equilibrium but the reactions on the plank at C and at D now have equal magnitude.
(b) Find the value of x. [4]

Question 3
Two forces, F_1 and F_2, act on a particle A.
F_1= (2i – 3j) N and F_2= (pi + qj) N, where p and q are constants.
Given that the resultant of F_1 and F_2 is parallel to (i + 2j),
(a) show that 2p – q + 7 = 0 [5]
Given that q = 11 and that the mass of A is 2 kg, and that F_1 and F_2 are the only forces acting on A,
(b) find the magnitude of the acceleration of A. [5]

Question 4
A block A of mass 9 kg is released from rest from a point P which is a height h metres above horizontal soft ground.
The block falls and strikes another block B of mass 1.5 kg which is on the ground vertically below P.
The speed of A immediately before it strikes B is 7 m s .
The blocks are modelled as particles.
(a) Find the value of h. [2]
Immediately after the impact the blocks move downwards together with the same speed and both come to rest after sinking a vertical distance of 12 cm into the ground.
Assuming that the resistance offered by the ground has constant magnitude R newtons,
(b) find the value of R. [7]

Question 5
[Diagram or table: see page 6 of the paper]
Two particles P and Q have masses 0.1 kg and 0.5 kg respectively.
The particles are attached to the ends of a light inextensible string.
Particle P is held at rest on a rough horizontal table.
The string lies along the table and passes over a small smooth pulley which is fixed to the edge of the table.
Particle Q is at rest on a smooth plane which is inclined to the horizontal at an angle θ,
where tan   4/3
The string lies in the vertical plane which contains the pulley and a line of greatest slope of the inclined plane, as shown in Figure 2.
Particle P is released from rest with the string taut.
During the first 0.5 s of the motion P does not reach the pulley and Q moves 0.75 m down the plane.
(a) Find the tension in the string during the first 0.5 s of the motion. [6]
(b) Find the coefficient of friction between P and the table. [5]

Question 6
[Diagram or table: see page 7 of the paper]
A washing line ABCD is fixed at the points A and D.
There are two heavy items of clothing hanging on the washing line, one fixed at B and the other fixed at C.
The washing line is modelled as a light inextensible string, the item at B is modelled as a particle of mass 3 kg and the item at C is modelled as a particle of mass M kg.
The section AB makes an angle α with the horizontal, where tan   3/4, the section BC is
horizontal and the section CD makes an angle β with the horizontal, where tan   12/5, as
shown in Figure 3.
The system is in equilibrium.
(a) Find the tension in AB. [4]
(b) Find the tension in BC. [3]
(c) Find the value of M. [5]

Question 7
Two trains, A and B, start together from rest, at time t = 0, at a station and move along parallel straight horizontal tracks.
Both trains come to rest at the next station after 180 s.
Train A moves with constant acceleration 2/3 mm ss^-^2 for 30 s, then moves at constant
speed for 120 s and then moves with constant deceleration for the final 30 s.
Train B moves with constant acceleration for 90 s and then moves with constant deceleration for the final 90 s.
(a) Sketch, on the same axes, the speed–time graphs for the motion of the two trains between the two stations. [3]
(b) Find the acceleration of train B for the first half of its journey. [5]
(c) Find the times when the two trains are moving at the same speed. [4]
(d) Find the distance between the trains 96 s after they start. [5]
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Monday 13 October 2025
Afternoon (Time: 1 hour 30 minutes)
[Diagram or table: see page 9 of the paper]
International Advanced Subsidiary/Advanced Level Mechanics M1 Answer Book
You must have: Question paper (sent separately)_Total_Marks Mathematical Formulae and Statistical Tables (Yellow), calculator
Candidates may use any calculator permitted by Pearson regulations. Calculators must not have the facility for symbolic algebra manipulation, differentiation and integration, or have retrievable mathematical formulae stored in them. Instructions Use black ink or ball-point pen. • If pencil is used for diagrams/sketches/graphs it must be dark (HB or B). • Fill in the boxes at the top of this page with your name, • centre number and candidate number. Answer all questions and ensure that your answers to parts of questions are • clearly labelled. Answer the questions in the spaces provided • – there may be more space than you need. You should show sufficient working to make your methods clear. • Answers without working may not gain full credit. Whenever a numerical value of g is required, take g = 9.8 m s^–2, and give your answer • to either 2 significant figures or 3 significant figures. Information A booklet ‘Mathematical Formulae and Statistical Tables’ is provided. • There are 7 questions in this question paper. The total mark for this paper is 75. • The marks for each question are shown in brackets • – use this as a guide as to how much time to spend on each question. Advice Read each question carefully before you start to answer it. • Try to answer every question. • Check your answers if you have time at the end. • If you change your mind about an answer, cross it out and put your new • answer and any working underneath.
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