Advertisements
Advertisements
प्रश्न
Which of the following statements is incorrect?
विकल्प
Friction acts on a ball rolling along the ground
Friction acts on a boat moving on water
Friction acts on a bicycle moving on a smooth road
Friction does not act on a ball moving through air
उत्तर
Friction does not act on a ball moving through air
Explanation -
Friction will act in case of ball moving through air always.
APPEARS IN
संबंधित प्रश्न
Friction produces ______.
A toy car released with the same initial speed will travel farthest on
In a large commercial complex there are four ways to reach the main road. One of the path has loose soil, the second is laid with polished marble, the third is laid with bricks and the fourth has gravel surface. It is raining heavily and Paheli wishes to reach the main road. The path on which she is least likely to slip is
Imagine that an object is falling through a long straight glass tube held vertical, air has been removed completely from the tube. The object does not touch the walls of the tube. Will the object experience any force of friction?
Is there a force of friction between the wheels of a moving train and iron rails? If yes, name the type of friction. If an air cushion can be introduced between the wheel and the rail, what effect will it have on the friction?
