The member forces in a statically in determinate truss____________________?

Byadmin January 18, 2019June 4, 2021

The member forces in a statically in determinate truss____________________?

A. can be obtained by graphic statics
B. cannot be obtained by graphic statics(Correct)
C. may be obtained by graphic statics
D. can be obtained by graphic statics by trial and error

Applied Mechanics and Graphic Statics

A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be___________________?

A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be___________________?

A. E
B. E/2(Correct)
C. 2E
D. 4E

Read More A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be___________________?
Applied Mechanics and Graphic Statics

If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?

If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?

A. be in equilibrium
B. always reduce to a resultant force(Correct)
C. always reduce to a couple
D. both (A) and (C)

Read More If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?
Applied Mechanics and Graphic Statics

A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?

A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?

A. n rpm
B. n/2 rpm
C. n/4 rpm
D. 2n rpm

Read More A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?
Applied Mechanics and Graphic Statics

A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is__________________?

A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is__________________?

A. 60 N
B. 80 N
C. 100 N
D. 120 N

Read More A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is__________________?
Applied Mechanics and Graphic Statics

The angles between two forces to make their resultant a minimum and a maximum respectively are__________________?

The angles between two forces to make their resultant a minimum and a maximum respectively are__________________?

A. 0° and 90°
B. 180° and 90°
C. 90° and 180°
D. 180° and 0° (Correct)

Read More The angles between two forces to make their resultant a minimum and a maximum respectively are__________________?
Applied Mechanics and Graphic Statics

If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is___________________?

If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is___________________?

A. proportional to A
B. proportional to A2
C. proportional to 1/A2
D. independent of A

Read More If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is___________________?

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