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Interactive Lesson • 16 mins
Newton’s Second Law: Mass, Force & Acceleration
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📖 Introduction
Why Objects Speed Up or Slow Down
Explanation Level:⚡ Junior Scholar (Ages 12 to 14)
Curriculum Stage:🇬🇧 Key Stage 3 (Years 7 to 9)🇺🇸 Middle School (NGSS MS-PS2 and MS-PS3)🇨🇦 Grades 7 and 8 STEM🇳🇬 Junior Secondary JSS 1 to 3
An object at rest stays at rest unless a net push or pull acts on it. When you push harder, it accelerates faster. But what happens when you push a heavy truck compared to an empty shopping cart?