Question

hi friends please give ideas for science file force and pressure for class 8....please hurry friends

Answer 1

Hello I am also in class 8. 1 force means push or pull
force need interactions to occur 2 friction is a contact force when the surface of the object and the earth surface are in touch the earth give a force on the object to stop. 4 muscular force is a contact force the force which require our muscle bending is called muscular force. 5 gravitational force is the force exerted by the earth .6 magnetic force is the force exerted by magnets. electrostatic force is the force exerted by an charged to an uncharged body.