Advertisements
Advertisements
Question
A nut is opened by a wrench of length 10 cm. if the least force required is 5.0 N. find the moment of force needed to turn the nut.
Advertisements
Solution
Length r = 10 cm = 0.1 m
F = 5N
Moment of force = F x r = 5 x 0.1 = 0.5 Nm
RELATED QUESTIONS
Where can a body execute free vibrations?
Write the expression for the moment of force about a given axis of rotation.
What is thrust?
What are non-contact forces? Give two example
State the condition when the change in the momentum of a body depends only on the change in its velocity.
Give two examples of a couple's actions in our daily life.
Classify the following amongst contact and non-contact forces.
gravitation force
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.
