CBSE Class 8 friction — practice questions
21 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 8 friction in the app →The force that opposes the relative motion between two surfaces in contact is called:Friction always acts in the direction:Friction between two surfaces is caused by:On a rough surface, the force of friction is generally:Brake pads in a bicycle stop the wheel by:Which of the following is a way to REDUCE friction?The common name for gases and liquids together is:Which of the two is generally LARGER for the same object on the same surface — static friction or sliding fricThe figure shows a brick being pulled across a floor using a spring balance.
 is called:You find it slightly easier to push a heavy box that is ALREADY MOVING than to start it from rest. The BEST exBall bearings are used in the wheel axles of bicycles and in motors.
![](https://qallery.app/diagrams/v2_clasTwo boxes A and B have the same weight and the same surface in contact with the floor. Box A is wrapped in polWhy does the jar of a kitchen mixer become hot after running for a few minutes?Which of the following helps INCREASE friction deliberately?The drag force on an object moving through a fluid depends on: