A Best Way To Crack Gorenment Job Exams

Civil Engineering Objective Questions { Applied Mechanics }

155. The resultant of the forces acting on a body will be zero if the body
A. rotates
B. moves with variable velocity in a straight line
C. moves along a curved path
D. does not move at all.
Discuss in Forum

156. The apparent weight of a man in a moving lift is less than his real weight when it is going down with
A. uniform speed
B. an acceleration
C. linear momentum
D. retardation.
Discuss in Forum

157. When a body falls freely under gravitational force, it possesses
A. maximum weight
B. minimum weight
C. no weight
D. no effect on its weight.
Discuss in Forum

158. The force which produces an acceleration of 1 m/sec2 in a mass of one kg, is called
A. dyne
B. Netwon
C. joule
D. erg.
Discuss in Forum

159. Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of
A. 5 Newtons
B. 8 Newtons
C. 10 Newtons
D. 12 Newtons.
Discuss in Forum

160. A satellite goes on moving along its orbit round the earth due to
A. gravitational force
B. centrifugal force
C. centripital force
D. none of these.
Discuss in Forum

161. A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight
A. vertical component of velocity remains constant
B. horizontal component of velocity remains constant
C. speed of the ball remains constant
D. kinetic energy of the ball remains constant.
Discuss in Forum

Page 23 of 34

« 21 22  23  2425 »