Q1
What is a force?
AA push or pull
BOnly a push
COnly a pull
DNeither push nor pull
ICSEClass 6 (ICSE)ScienceCh 3 · Topic 1
Force
A force is a push or pull that can change an object's motion, shape, or direction, playing a fundamental role in physics.
Core concept
Forces can make a stationary object move, a moving object stop, or change the direction or speed of a moving object.
How it works
There are different types of forces, like gravitational force (pulling objects toward Earth) and frictional force (resisting motion between surfaces).
Why it matters
Force is measured in units called newtons, named after the scientist Sir Isaac Newton.
Key detail
Understanding forces helps us explain everyday phenomena, like why objects fall, why we can walk, and how machines work.
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• A force is a push or pull.
• Forces change motion, shape or direction.
• Gravitational force pulls objects toward Earth.
• Frictional force resists motion between surfaces.
• Force is measured in newtons.
• Newtons are named after Isaac Newton.
• Forces explain why objects fall.
• Forces explain how we walk and machines work.