Forces - Physics - IGCSE – CIE Graded A+
1. Force - Force is a push or pull applied to an object.
2. Forces - Forces can change the shape, size, speed, and direction of an object.
3. Newton - The Newton is the SI unit of force.
4. Newton's First Law - Newton's first law states that an obj...
- Forces can change the shape, size, speed, and direction of an object.
3. Newton
- The Newton is the SI unit of force.
4. Newton's First Law
- Newton's first law states that an object at rest will remain at rest, and an object in motion will remain
in motion unless acted upon by an unbalanced force.
, 5. Newton's Second Law
- Newton's second law describes how the acceleration of an object is directly proportional to the force
applied to it and inversely proportional to its mass.
- \( F = ma \)
6. Newton's Third Law
- Newton's third law states that for every action, there is an equal and opposite reaction.
7. Hooke's Law
- Hooke's Law states that the extension of a spring or elastic object is directly proportional to the force
applied to it.
- \( F = -kx \)
8. Weight
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