A. force
B. torque
C. linear momentum
D. impulse
Applied Mechanics and Graphic Statics
The angular speed of a car while taking a circular turn of radius 100m at 36 km/hour, is_______________?
A. 0.1 radian/sec
B. 1 radian/sec
C. 100 radian/sec
D. 1000 radian/sec
Which of the following is a scalar quantity ?
A. energy
B. momentum
C. torque
D. impulse
In a simple harmonic motion, the position of equilibrium is always_________________?
A. stable
B. unstable
C. neutral
D. none of the above
At the instantaneous center, the velocity of the moving lamina at any instant is_________________?
A. zero
B. maximum
C. minimum
D. varying
Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are____________________?
A. 2 m/sec and 2 m/sec
B. 3 m/sec and 2 m/sec
C. 3 m/sec and 3 m/sec
D. 4 m/sec and 6 m/sec
A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if________________?
A. floor is smooth and wall is rough
B. floor is rough and wall is rough
C. both floor and wall are rough
D. both floor and wall are smooth
The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to____________________?
A. log r
B. r
C. r2
D. 1/r
where r is the distance of’the particle from centre of the earth
Instantaneous center is at infinity when the angular velocity is _________________?
A. constant
B. zero
C. maximum
D. minimum
A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be____________________?
A. 20 m/sec
B. 30 m/sec
C. 40 m/sec
D. 50 m/sec
