Related Questions

The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known
A Sliding friction
B Rolling friction
C Limiting friction
D None of these
The maximum frictional force , which comes into play , when a body just begins to slide over the surface of the surface of the other body, is known as
A static friction
B dynamic friction
C limiting friction
D all of these
The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as
A static friction
B dynamic friction
C limiting friction
D coefficient of friction
The members of a club participate in at least one game. Twenty of them play football, 10 play cricket, 12 play hokey. Three of them play cricket only, 4 of them play both the cricket and football but not hockey, 2 of them participate all games. How many people play both cricket and hockey but not football?
A 1
B 2
C 3
D None of these
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
In a class , three-fourth of the boys play football, one-half play cricket, one fourth of those who play cricket do not play football. Which of the following statements is definitely true?
A One-third of the boys play neither cricket nor football
B Two-third of the boys play only football
C One -Fourth of the boys play neither cricket nor football
D Two-fifth of the boys play only football
In a class of 30 students 18 play football, 14 play cricket and 5 do not play any game. How many students play both the games?
A 5
B 7
C 9
D 11
120 students in a class play cricket or football or both. If 75 students play cricket and 60 students play football, how many play both?
A 15
B 16
C 76
D 38
All 120 students in a class play cricket or football or both, 75 play cricket and 60 play football. How many students play both?
A 13
B 15
C 20
D 25
In a class of 30 students 18 play football, 14 play cricket and 5 do not play any game. How many students play both the game?
A 5
B 7
C 9
D 11

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