IB Physics
A. Space, time and motion
A.1 Kinematics
A.2 Forces and momentum
A.2.1—Newton’s three laws of motion
A.2.2—Forces as interactions between bodies
A.2.3—Free-body diagrams
A.2.4—Resultant force from diagrams
A.2.5—Contact forces
A.2.6—Normal force
A.2.7—Frictional force
A.2.8—Tension
A.2.9—Hooke’s law restoring force
A.2.10—Viscous drag
A.2.11—Buoyancy
A.2.12—Field forces
A.2.13—Weight
A.2.14—Electric force Fe
A.2.15—Magnetic force Fm
A.2.16—Linear momentum conservation
A.2.17—Impulse
A.2.18—Impulse-momentum change
A.2.19—Newton’s second law forms
A.2.20—Elastic and inelastic collisions
A.2.21—Explosions
A.2.22—Collision energy
A.2.23—Centripetal acceleration
A.2.24—Centripetal force
A.2.25—Direction change in circular motion
A.2.26—Angular and linear speed
A.3 Work, energy and power
B. The particulate nature of matter
C. Wave behaviour
D. Fields
E. Nuclear and quantum physics
S Skills in Physics
Question Bank/IB Physics/SL/A. Space, time and motion/A.2 Forces and momentum/A.2.21—Explosions

IB Physics SL A.2.21 Explosions

Practise momentum-conservation questions where an object breaks apart, linking zero or initial momentum to the speeds of the fragments.

Syllabus
First assessment 2025
Objective
—
Level
SL

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