The unit of force in C.G.S. system of units, is called dyne Newton kg all the ab

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Question
The unit of force in C.G.S. system of units, is called
Options
A. dyne
B. Newton
C. kg
D. all the above.

Correct Answer

dyne

Applied Mechanics problems

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3. Two shots fired simultaneously from the top and bottom of a vertical tower with elevations of 30� and 45� respectively strike a target simultaneously. If horizontal distance of the target from the tower is 1000 m, the height of the tower is
Options
A. 350 m
B. 375 m
C. 400 m
D. 425 m.

4. ? is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is
Options
A. ?
B. 2?
C. 3?
D. ?.

5. The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at
Options
A. 30�
B. 45�
C. 60�
D. 90�

6. If the angle of projection is double the angle of inclination (?) of the plane on which particle is projected, the ratio of times of fligh up the inclined plane and down the inclined plane, will be
Options
A.
B.
C.
D. 2 cos ?.

7. If two forces each equal to T in magnitude act at right angles, their effect may be neutralised by a third force acting along their bisector in opposite direction whose magnitude will be
Options
A. 2 T
B. 1/2 T
C. 2 T
D. 3 T
E. none of these.

9. A body of weight w placed on an inclined plane is acted upon by a force P parallel to the plane which causes the body just to move up the plane. If the angle of inclination of the plane is ? and angle of friction is ?, the minimum value of P, is
Options
A.
B.
C.
D.

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