Static Electricity 10th May
What is Static Electricity?An electric charge, typically produced by friction, which can cause sparks or will attract dust.
When a plastic ruler/pen is rubbed on wool it will attract hair and small pieces of paper.
Electroscope
Forces 11th May
What is a force?
Force is a strength and an energy that attributes of physical movement/ action. It can cause a resting object to move towards something. Force is a pull and push that causes an object to move, stop or change direction. A force is anything that makes an object accelerate.
What are different types of forces?
Contact forces:
- Friction
- Air Resistance
- Tension
- Support
Non Contact forces act at a distance
- Gravitational force- Magnetic force
- Electrostatics
Which force does static electricity belong to?
Electricity
Mass vs Weight. What is the difference between mass and weight?
Weight is the force of gravity acting on the mass and the mass is the amount of matter/ stuff in something the object.
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