Applied Mechanics and Graphic Statics

241. The force which produces an acceleration of 1 m/sec2 in a mass of one kg, is called

1. Dyne
2. Newton
3. Joule
4. Erg

View answer

242. The forces which meet at one point and have their lines of action in different planes are called

1. Coplanar non-concurrent forces
2. Non-coplanar concurrent forces
3. Non-coplanar non-current forces
4. Intersecting forces

View answer

243. The frequency of oscillation on moon as compared to that on earth, will be

1. 2.44 times more
2. 2.44 times less
3. 3 times less
4. 3 times more

View answer

244. The graphical method of determining the forces in the members of a truss is based on

1. Method of joint
2. Method of section
3. Either method
4. None of the two methods

View answer

245. The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of

1. 8.04 km/sec at a height of 285 km
2. 11.11 km/sec at a height of 37,400 km
3. 11.26 km/sec, the satellite escapes the pull of the earth
4. All the above

View answer

246. The height at which the end of a rope of length should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is

1. ¾l
2. ½l
3. l/√2
4. l2/√3/

View answer

247. The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is

1. Weight
2. Mass
3. Inertia
4. Momentum

View answer

248. The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at

1. 30°
2. 45°
3. 60°
4. 90°

View answer

249. The intrinsic equation of catenary is

1. S = c tan ψ
2. y = c cosh x/c
3. y = c cosh ψ
4. y = csinh ψ

View answer

250. The Law of Polygon of Forces states that

1. If a polygon representing the forces acting at point in a body is closed, the forces are in equilibrium
2. If forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order, then the resultant of the forces will be represented in magnitude and direction by the closing side of the polygon
3. If forces acting on a point can be represented of a polygon taken in order, their sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon, taken in opposite order
4. If forces acting on a point can be represented in magnitude and direction by the sides of a polygon in order, the forces are in equilibrium

View answer