Applied Mechanics and Graphic Statics

The dimensions of centrifugal force are__________________?

Byadmin January 18, 2019June 4, 2021

The dimensions of centrifugal force are__________________?

A. M1 L2 T2
B. M’L’T1
C. M’L’T2(Correct)
D. M’L-‘T2

Applied Mechanics and Graphic Statics

The torque produced by a force depends on__________________?

The torque produced by a force depends on__________________?

1) the magnitude of the force
2) the direction of the force
3) the’point of application of the force relative to origin
The correct answer is?
A. only (1)
B. both (1) and (2)
C. both (1) and (3)
D. all (1), (2) and (3)

Read More The torque produced by a force depends on__________________?
Applied Mechanics and Graphic Statics

Impulse can be obtained from a_________________?

Impulse can be obtained from a_________________?

A. force-displacement diagram
B. force-time diagram
C. velocity-time diagram
D. velocity-displacement diagram

Read More Impulse can be obtained from a_________________?
Applied Mechanics and Graphic Statics

If the angular distance, 0 = 2t3 – 3t2, the angular acceleration at t = 1 sec. is__________________?

If the angular distance, 0 = 2t3 – 3t2, the angular acceleration at t = 1 sec. is__________________?

A. 1 rad/sec2
B. 4 rad/sec2
C. 6 rad/sec2 (Correct)
D. 12 rad/sec2

Read More If the angular distance, 0 = 2t3 – 3t2, the angular acceleration at t = 1 sec. is__________________?
Applied Mechanics and Graphic Statics

A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________?

A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________?

A. 1/2
B. 3/2
C. 2
D. 3

Read More A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________?
Applied Mechanics and Graphic Statics

A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?

A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipg ?

1) 1.0 in from the wall
2) 1.732 m from the wall
3) 1.0 m above the floor
4) 1.732 m above the floor
The correct answer is?
A. (1) and (3)
B. (1) and (4)
C. (2) and (3)
D. (2) and (4)

Read More A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?
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___________________?

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