Forces and motion: from first steps to Newton’s laws and beyond

Bring with you: Add, subtract, multiply and divide small numbers. Compare numbers and read a simple labelled scale.

How can you tell which cart is faster, choose a push that speeds it up, or explain why a longer stop is gentler? Build the measurements and physical models needed to answer those questions—and check when an answer makes sense.

Begin with metre marks and a stopwatch. Add direction and acceleration, then use Newton’s laws to connect motion to forces. Later Units tackle graphs, equations, stopping and collisions, ending with an investigation that combines the ideas.

By the end, you can…

• Describe where something moves and measure its journey.
• Compare journeys fairly using distance and time.
• Distinguish speed, velocity and displacement.
• Explain acceleration, identify forces and distinguish mass from weight.
• Use Newton’s first two laws and F = ma with correct units.
• Explain interaction pairs, friction and competing forces.
• Use graphs and equations to predict motion.
• Analyse stopping forces and simple collisions.
• Solve a harder motion problem and explain your model.

For another Course

• Calculus, advanced trigonometric projectile problems and rotational dynamics.
• Relativity, energy/thermodynamics courses and advanced orbital mechanics.