Related Questions

The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is
A sinθ
B cosθ
C tanθ
D cosecθ
A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
A Remain horizontal
B Slant up towards direction of pull
C Slant down towards direction of pull
D None of the above
A body of weight 'W' is required to move up on rough inclined plane whose angle of inclination with the horizontal is 'α'. The effort applied parallel to the plane is given by (where μ = tanφ = Coefficient of friction between the plane and the body.)
A P = W tanα
B P = W tan (α + φ)
C P = W (sinα + μcosα)
D P = W (cosα + μsinα)
Weight of C is twice the weight of M. Weight of M is 1/9 of the weight of R. Weight of R is 5/2 of the weight of K. Weight of K is 1/3 of the weight of G. Who is the second lightest?
A C
B M
C K
D G
Jony weighs twice as much as Suzan's. Suzan's weight is 60% of Sami's weight. Manik's weight is 50% of Lynda's weight. Lynda weight 190% of Jony's weight. Which of these 5 people weight the least?
A Suzan
B Manik
C Lynda
D Sami
Alam weighs twice as much as much as Marina. Marina's weight is 60% of Robin's weight. Drabir weight 50% of Lima's weight. Lima weight 190% of Alam's weight. Which of these 5 people weight the least?
A Robin
B Lima
C Drabir
D Marina
A box of weight 500 N is being pulled over the floor with a horizontal force of 150 N. what is the coefficient of between the floor and the box?
A 0.1
B 0.2
C 0.3
D `0.4
A box of weight 500 N is being pulled over the floor with a horizontal force of 150N. What is the coefficient of friction between the floor and the box?
A 0.1
B 0.2
C 0.3
D 0.4
Alam weight twice as much as Marina. Marina's weight is 60% of Robin's weight. Drabir weight 50% of Lina's weight. Lina weighs 190% of Alam's weight. Which of these 5 persons weighs the least?
A Robin
B Lina
C Drabir
D Marina
Jasim's weight is 140% of Masum's weight. Bashir's weight is 90% of Limon's weight. Limon weights twice as much as Masum. What percentage of Jasim's weight is Bashir's weight?
A 6447%
B 7729%
C 12847%
D 15559%

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