Related Questions

The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if
A The area is horizontal
B The area is vertical
C The area is inclined
D All of the above
Plane P take off at 2:00 am and flies at a constants speed of Xmph. Plane Q takes off at 3:30 am and flies the same forte as plane p but travels at a constant X, how many hours after 3:30 am will plane Q overtake plan P?
A 1.5x/y +0.5
B 2
C 4
D 5
The sum of two positive integers multiplied by the bigger number is 204, and their difference multiplied by the smaller number is 35. The numbers are :
A 12, 5
B 13, 4
C 14, 3
D 24, 10
A boy was asked to multiply a number by 25. He instead multiplied the number by 52 and got the answer 324 more than the correct answer. The number to be multiplied was :
A 12
B 15
C 25
D 32
A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to
A W
B W sin (a + $)
C Wtan(a +
D Wan(a-)
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)
Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction
A Along the plane
B Horizontally
C Vertically
D At an angle equal to the angle of friction to the inclined plane
The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.
A Equal to
B Less than
C Greater than
D None of these
The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to
A Young's modulus
B Bulk modulus
C Modulus of rigidity
D Modulus of elasticity
Mathematically Forc (F) is proportionate to Mass (m) multiplied by Acceleration (a) ; i.e symbolically , F ∞m.a. If an object increases its acceleration by 10% and loses 5% of its mass, by how much will the resultant force change?
A Increase by 5%
B Decrease by 5%
C Increase by 4.5%
D Decrease by 4.5%

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