• Meaning of words
• Force, a primitive concept
• Contact force and non contact force
• Plastic materials and elastic materials
• Contact force: elastic force
• Non contact force: weight
• The effects of forces
• Active forces and passive forces
• How to compare forces
• A property of elastic bodies: from qualitative to quantitative
• Spring scale
• The unit of measurement of forces
• How to use the spring scale
• Vector representation of forces
• The center of gravity
• When a body falls freely
• The weight does not remain constant
• Do heavy bodies or light bodies fall first?
• The origin of weight and the force of gravity
• Why does not the moon fall on the earth?
B2GRA
Forces
Thanks to this storage system, it will be possible to store all the components, after use, in an orderly and correct manner.
The special pre-formed drawers guarantee high resistance to shocks and atmospheric agents, ensuring that the instruments contained are optimally protected.
22 feasible experiments
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