Advertisements
Advertisements
Question
Less force is needed when applied at a farther distance from the pivoted point.
Options
True
False
Advertisements
Solution
True.
APPEARS IN
RELATED QUESTIONS
A force always produces both the linear and turning motions.
State one way to decrease the moment of a given force about a given axis of rotation.
The moment of a force of 25 N about a point is 2.5 N m. Find the perpendicular distance of force from that point.
What are contact forces? Give two Example
State one factor on which the magnitude of a non-contact force depends. How does it depend on the factor stated by you?.
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and force for a constant mass.
The diagram shows two forces F1 = 5 N and F2 = 3N acting at point A and B of a rod pivoted at a point O, such that OA = 2m and OB = 4m
Calculate:
- Moment of force F1 about O
- Moment of force F2 about O
- Total moment of the two forces about O.
Classify the following amongst contact and non-contact forces.
Frictional force
(i) What do you understand by the term couple of forces?
(ii) Calculate the moment of a couple shown in fig.
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.
