Advertisements
Advertisements
Question
To obtain a given moment of force for turning a body, the force needed can be decreased by
Options
applying the force at the pivoted point
applying the force very close to the pivoted point
applying the force farthest from the pivoted point
none of the above
Advertisements
Solution
applying the force farthest from the pivoted point
APPEARS IN
RELATED QUESTIONS
Match the column
| Column A | Column B |
| (a) Camel | (1) broad and deep foundation |
| (b) Truck | (2) broad feet |
| (c) Knife | (3) six or eight tyres |
| (d) High building | (4) sharp cutting edge |
| (e) Thrust | (5) atm |
| (f) Moment of force | (6) N |
| (g) Atmospheric pressure | (7) N m |
State the S.I. unit of moment of force.
The hand flour grinder is provided with a handle near the rim.
What is thrust?
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and mass for a constant force.
The diagram in the figure shows a uniform metre rule weighing 100 gf, pivoted as its centre O. two weight 150 gf and 250 gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm . Calculate
the total anticlockwise moment about o.
What is the work done when no net force is applied on the body?
The diagram shows a uniform metre rule weighing 100gf, pivoted at its centre O. Two weights 150gf and 250gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm. Calculate :
the difference of anticlockwise and clockwise moment
State when the moment of force is positive and when it is negative.
Calculate the magnitude of the force of a couple, when the arm of the couple is 63 cm and the moment of the couple is 21 Nm.
