When a plastic pen is rubbed in dry hair, it attracts tiny pieces of paper. Which force is involved in this process?
When a plastic pen is rubbed in dry hair, it attracts tiny pieces of paper. It is due to electrostatic force.
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- Name the type of forces involved in the following:(a) A horse pulling a cart.(b) A sticker attached to steel almirah without glue.(c) A coin falling to the ground on slipping from hand.(d) A plastic comb rubbed in dry hair picking up tiny pieces of paper.(e) A moving boat coming to rest when rowing is stopped.
- A small device pulls iron nails from a distance. Which type of force is involved in this process?
- A glass rod is rubbed against a silk cloth. Which object get charged in this process?
- During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is$(a)$. force of gravity $(b)$. electrostatic force$(c)$. force of friction$(d)$. magnetic force
- Which force is responsible for raising our body hair when we try to take off a terylene or polyester shirt in the dry weather?
- A pencil eraser loses tiny pieces of rubber each time you use it. Why does this happen?
- Why crystallization is not a chemical process if heating is involved in it?
- Which of the set of items is good for making compost?(a) Plastic paper, tin foil, wrappers(b) Broken plastic toys, polythene bags, pieces of clothes(c) Egg shells, vegetable and fruit peels and tea leaves(d) Aluminium wrappers, plastic bags and dry leaves
- A magnet attracts iron but it does not attract plastic. Why?
- When we burn plastic, which gas is produce?
- A chapatti maker is a machine which converts balls of dough into chapatties. What effect of force comes into play in this process?
- What type of force is involved in uniform motion balanced/unbalanced force? why?
- During dry weather, clothes made of synthetic fiber often stick to the skin. Which type of force is responsible for this phenomenon?
- What did you observe when you bring the balloon close to the pieces of paper without rubbing it?
- Plastic straws A and B are rubbed with dry cotton cloth. What will happen, if they are brought near each other?
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