Tuesday , July 7 2020
NCERT 8th Class (CBSE) Science: Force and Pressure

NCERT 8th Class (CBSE) Science: Force and Pressure

Question: What is magnetic force?

Answer: Force exerted by a magnet is called magnetic force.

Question: What happens when similar poles of magnets come in contact?

Answer: They repel each other.

Question: What happens when opposite poles of magnet come in contact?

Answer: They attract each other.

Question: What is the electrostatic force?

Answer: Force exerted by the charged bodies is called electrostatic force.

Question: When a comb rubbed against hair is brought near the small pieces of paper, the paper attaches to the comb which force has attracted papers?

Answer: Electrostatic force.

Question: What kind of force are magnetic force and electrostatic force?

Answer: Non contact forces.

Question: Give any one example of non contact force?

Answer: Gravitation forces.

Question: Due to which force does every object when thrown in air falls on earth?

Answer: Due to force of gravity.

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