Top 350+ Solved Applied Mechanics MCQ Questions Answer
Q. The excape velocity for the moon is nearly
a. 5 km/s
b. 11.2 km/s
c. 107 dynes
d. 2.4 km/s
e. 1.1 km/s
Q. Williot-Mohr diagram is used to determine
a. slope of beams
b. 107 dynes
c. deflection in beams
d. deflection in trusses
e. slope of trusses
Q. A body is pushed with a force of 10 N for 0.5 second. The impulse given to the body is
a. 107 dynes
b. 50 Ns
c. 3.5 Ns
d. 5 Ns
e. 2.5 Ns
Q. A couple applied to a flywheel of mass 5 kg and of radius of gyration 20 cm produces an angular acceleration of 4 radians/sec2. The torque applied in dyne cm is
a. 8 x 104
b. 8 x 106
c. 8 x 107
d. 8 x 108
e. 8 x 1010
Q. The angular velocity of hour hand of a watch is
a. 0.0001745 sec-1
b. 0.0001455 sec-1
c. 0.0000145 sec-1
d. 0.1045 sec-1
e. 0.001745 sec-1
Q. A plane is inclinea at angle ? to horizontal. If a body can just rest on a plane, determine the least force to draw the body up the plance
a. W sin2?
b. 2 W cos2?
c. 107 dynes
d. W cos2?
e. 2 W sin2?
Q. Maximum acceleration in above problem is
a. 107 dynes
b. 2?2/3 m/s2
c. ?2/s m/s2
d. 3?2 m/s2
e. 4?2/9 m/s2
Q. A body weighing 500 kg falls 8 cm and strikes a 500 kg/cm spring. The deformation of the spring will be
a. ?8 cm
b. 8 cm
c. 4 cm
d. 20.5 cm
e. 2 cm
Q. Given that the area of a figure varies as square of mean ordinate. The area of the figure is 154 sq. cm when the mean ordinate is 7 cm. The area of the figure when mean ordinate is 10.5 cm will be
a. 364.9 cm
b. 364.5 cm
c. 360.6 cm
d. 346.5 cm
e. 356.3 cm
Q. The weight of a 72 kg man on earth's surface is
a. 100.3 N
b. 72 N
c. 107 dynes
d. 706.3 N
e. 760 N
Q. If four turms of rope around a horizontal post will hold a 100 kg weight with a pull of 1 kg, then
a. 107 dynes
b. 0.25
c. 0.18
d. 0.3
e. 0.11
Q. In the second system of pulleys, if there are two pulley blocks having 'n1' and 'n2' pulleys in the first and second pulley blocks respectively, then the velocity ratio of the whole system will be equal to
a. 2n1 + n2
b. n1 - n2
c. 107 dynes
d. 2n1 + 2n2
e. n1 + n2