75-Archetype SyllabusPhysics • ARCH-P-06 • Spec P3

Full 6-Card Lesson 15-Question Timed Drill

UAT-UK SPEC CODE: P3 (Mechanics)ASSUMED MATHS 1 PREREQUISITE: M4.4FREQUENCY: HIGH

Equilibrium of Coplanar Forces, Drag/Terminal Velocity Balancing & Tension-Spring/Pulley Systems

Deconstructed from 14 past UAT-UK questions (6.01% of all historical Physics papers). Students using standard A-Level classroom methods spend an average of 140s on this archetype—blowing past the 90s ESAT budget. Using the 2-line Sub-90 heuristic below compresses solve time to 35s (saving 105s per question).

Historical Frequency

14 Past Qs

6.01% of Physics

Classroom Trap Time

140s

+50s over 90s budget

Sub-90 Target Time

35s

Banks +105s on the clock

Dominant UI Format

5-Option A–E

Maths 1 Skill: M4.4

Card 1 & Card 2 Preview: The Classroom Time Trap vs. Sub-90 2-Line Rule

Excerpted from our interactive 6-Step Topic Lesson for ARCH-P-06.

Launch All 6 Active-Recall Cards

CARD 1 OF 6 • THE CLASSROOM TIME TRAP (140s)

Why Students Bleed Time:

First isolate the rising load:

T - mg = ma \implies T = 6(10 + 0.5) = 63\text{ N}

. Since both the load side and the motor side of the cable pull vertically downwards on the frictionless pulley with tension

T

, equilibrium of the massless pulley requires

F_{\text{coupling}} = 2T = 126\text{ N}

(~125s).

In 14 past UAT-UK questions (6.01% of Physics), candidates lose 105s by substituting raw ruler coordinate x instead of lever arm |x - x_pivot|. Instead, apply P3 with Maths 1 skill M4.4.

CARD 2 OF 6 • THE 2-LINE SUB-90 HEURISTIC (<35s)

Line 1 (Rope Tension):

T = m(g + a) = 6 \times 10.5 = 63\text{ N}

Line 2 (Double Strand Coupling):

F_{\text{coupling}} = 2T = 126\text{ N}

(25s).

Sanity & Limit Check: Verify units/signs against fence_post_or_domain_trap (Measuring distance from the end of the beam instead of from the chosen pivot support) and subsystem_isolation_trap (Omitting the weight W_beam of a uniform (non-light) beam acting at its midpoint L/2).

Examiner Distractor Blueprint for ARCH-P-06

FOIL #1fence_post_or_domain_trap

Measuring distance from the end of the beam instead of from the chosen pivot support

Substituting raw ruler coordinate x instead of lever arm |x - x_pivot|.

Open Fence-Post / Domain Trap Clinic

FOIL #2subsystem_isolation_trap

Omitting the weight W_beam of a uniform (non-light) beam acting at its midpoint L/2

Treating a uniform massive plank as massless and ignoring its torque about an off-centre pivot.

Open Subsystem Isolation Trap Clinic

FOIL #3unit_or_prefix_mismatch

Using mass m (kg) for one torque term and weight mg (N) for another with g = 10 N/kg

Mixing kg*m and N*m in the same moment balance equation.

Open Unit / Prefix Mismatch Clinic

FOIL #4intermediate_stop_trap

Finding normal contact force N_A at Support A when the question asks for N_B = W_total - N_A

Solving for the wrong support force.

Open Intermediate Stop Trap Clinic

Try 1 Live Sample Question Under the 90-Second Stopwatch

Press W to open the 2-line dry-wipe scratchpad, select A–E, and lock in to reveal the Dual-View solution.

Full 6-Card Lesson Launch All 15 Questions (ARCH-P-06)

ARCH-P-06: Equilibrium of Coplanar Forces, Drag/Terminal Velocity Balancing & Tension-Spring/Pulley Systems (Sample)Physics

00:00.0

SUB-90 ZONE (<35S)

0.0s35s Sub-9090s ESAT Budget150s Classroom

Question 1 of 1ARCH-P-06 (6-Card Lesson)Format: Standard 5-Option

Right-click any option to cross out • Keys A–E + Enter

Question 1 of 1 • 90s Target

Ready to Start Question 1?

The question stem, diagram, and answer options are hidden behind this pre-start gate. When you click below, the question will reveal and your 90-second split stopwatch will immediately begin ticking.

Physics•ARCH-P-06•Standard 5-Option

or press Enter to start