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120 SCIPAD - BIG IDEAS - BOOK 2
FORCES AND MOTION
FORCES AND MOTION
By the end of this chapter you should be able to:
Convert distance and time from one scale to another.
Define the term ‘force’.
Distinguish between contact and non-contact forces.
Describe the effect of balanced and unbalanced forces on an object.
Name the four forces acting on moving objects.
Use the equation F = ma to solve simple force problems.
Describe the relationship between mass and weight.
Define friction and understand how it affects motion.
Use the equation v = ∆d/∆t to calculate speed, distance and time.
Draw and interpret distance-time graphs.
Carry out a practical investigation with guidance.
Define ‘drag’ and understand some basic aerodynamic principles.
Explain how simple machines can be used to affect forces.
I KNOW THIS
ALREADY
I LEARNED
THIS
I REVISED
THIS
Key Word List
Distance
My Definition: 

Speed
My Definition: 

Force
My Definition: 

Balanced force
My Definition: 

Unbalanced force
My Definition: 

Net / Resultant force
My Definition: 

Newton
My Definition: 

Weight
My Definition: 

Mass
My Definition: 

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