Advertisements
Advertisements
Questions
State the S.I. unit of moment of force.
State the unit of moment of force in S.I. system.
Advertisements
Solution
N-m (Newton meter)
APPEARS IN
RELATED QUESTIONS
Where can a body execute free vibrations?
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 |
How does the effect of force differ when it is applied on a rigid body?
State the condition when the change in the momentum of a body depends only on the change in its velocity.
A car of mass 600 kg is moving with a speed of 10 m-1 while a scooter of mass 80 kg is moving with speed of 50 m s-1. which vehicle will require more force to stop it in the (1) same interval of time (2) same distance
The moment of a force about axis depends ______.
A uniform metre rule of weight 10gf is pivoted at its 0 mark.
What moment of force depresses the rule?
Define couple.
One joule is the amount of work done when a force of ......... moves a body through a distance of .......
Three forces A, B and C are acting on a rigid body which can turn about O in fig.9. If all the three forces are applied simultaneously, in which direction will the body move? Explain.

Fig. shows a uniform meter scale weighing 100 N pivoted at its centre. Two weights of 500 N and 300 N are hung from the ruler as shown in fig.

(i) Calculate total clockwise and anticlockwise moments.
(ii) Calculate difference in clockwise moment and anticlockwise moment.
(iii) Calculate the distance from O where a 100 N weight should be suspended to balance the meter scale.
State whether the moment of force is a scalar or vector quantity?
State two factors affecting the turning effect of a force.
Define non-contact forces.
State one factor on which the magnitude of a non-contact force depends. How does the magnitude of a non-contact force change along with distance?
Two unlike forces (parallel) of 10 N and 25 N act at a distance of 12 cm. from each other. Find the point about which the body balance.
A nut is opened by a wrench of length 25 cm. If the least force required is 10 N, find the moment of force needed to turn the nut.
