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2.3 Forces in action

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Question 18
F

A seesaw is balanced.

Child P has a weight of 300 N and sits 2.0 m to the left of the pivot.

Child Q sits 1.5 m to the right of the pivot.

What is the weight of child Q?

[1]
A

225 N225\ \text{N}225 N

B

400 N400\ \text{N}400 N

C

450 N450\ \text{N}450 N

D

600 N600\ \text{N}600 N

Markscheme

2.3 Forces in action Questions

  1. GCSE
  2. /Physics
  3. /2.3 Forces in action

46 exam-style questions on OCR GCSE Physics 2.3 Forces in action, covering 2.3.1 Stretching, bending and compressing, 2.3.2 Elastic and plastic deformation, 2.3.3 Force and extension of a spring, 2.3.4 Linear and non-linear force-extension behaviour, 2.3.5 The spring constant, 2.3.6 Work done in stretching, 2.3.7 Gravitational fields, 2.3.8 Weight and gravitational field strength, 2.3.9 Acceleration in free fall, 2.3.10 Relating force, mass and gravitational field strength, 2.3.11 Forces causing rotation, 2.3.12 The moment of a force, 2.3.13 Levers and gears, 2.3.14 Pressure in fluids, and 2.3.15 Pressure, force and contact area. Each one has a worked solution and a mark scheme showing where the marks go.

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