RIS , BANNERGHATTA 3RD ASSESSMENT CLASS 4 (ABC )

1) Rough surface has _____ friction.

• a) less

• b) more

• c) no

1) The shape of vehicles is made _________ to reduce friction.

• a) streamlined

• b) oval

• c) round

1) ______ is a force that brings things near you.

• a) pull

• b) push

• c) contact force

We apply _____ to the hinges of the door to reduce the friction.

• a) water

• b) powder

• c) oil

1) Lifting a bag applies ________ force.

• a) Gravitational force

• b) Muscular force

• c) Frictional force

__________helps in holding the nail to the wood or wall.

• a) Pull

• b) Friction

• c) push

1) A magnet attracts ________

• a) Plastic

• b) Iron

• c) Wood

1) ______ is applied to the moving parts of a vehicle to reduce friction.

• a) Powder

• b) Grease

• c) Water

1) _________ is applied on a carrom board to reduce friction.

• a) Powder

• b) Water

• c) oil

1) Friction ______ a moving object.

• a) Pulls

• b) Pushes

• c) Stops