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Question
Statement 1: A body can experience multiple types of friction at once.
Statement 2: Friction acts only in liquids and solids.
Statement 1: A body can experience multiple types of friction at once.
Statement 2: Friction acts only in liquids and solids.
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Solution
The correct option is B Statement 1 is correct but statement 2 is incorrect
Consider the wheels of a moving car. We know that fluid friction exists between the wheels of the car and air. Also, there is rolling friction between the wheels and the ground. So, a body can experience multiple types of frictional forces at once. Hence, Statement 1 is correct.
A ball falling through air will experience friction due to relative motion between the ball (solid) and the air (fluid). So, statement 2 is incorrect.
Statement 1 is correct but statement 2 is incorrect
Consider the wheels of a moving car. We know that fluid friction exists between the wheels of the car and air. Also, there is rolling friction between the wheels and the ground. So, a body can experience multiple types of frictional forces at once. Hence, Statement 1 is correct.
A ball falling through air will experience friction due to relative motion between the ball (solid) and the air (fluid). So, statement 2 is incorrect.
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