Tuesday 21st April, 2020
Today we will look back briefly on what we were able to learn last term
- Investigating forces; definition of force, unit of force,symbol of force, instrument used in measuring force,two factors that affect force, what causes object to move, difference between balanced and unbalanced force, definition of friction, advantages and dis advantages of friction, ways to reduce friction.
- Mass and weight; definition of weight, difference between weight and mass, Machines and its functions, types, how to reduce friction in machines. Levers; examples, parts of a lever. Moment of a force, factors that affect the moment of force.
- Electricity; static electricity, electric current, electric conductors, resistance. Electric circuit; series and parallel circuits, electricity at home.
Meeting does not exist: 74688689758.