Advertisements
Advertisements
Question
State two factors affecting the turning effect of a force.
Solution
Moment of force about a point depends on the following two factors:
- The magnitude of the force applied.
- The distance of line of action of the force from the axis of rotation.
APPEARS IN
RELATED QUESTIONS
To obtain a given moment of force for turning a body, the force needed can be decreased by
The steering wheel of a vehicle is of large diameter.
The spanner (or wrench) has a long handle.
State the condition when the change in the momentum of a body depends only on the change in its velocity.
The figure shows two forces each of magnitude 10 N acting at the point A and B at a separation of 50 cm, in opposite directions. Calculate the resultant moment of two forces about the point.
- A,
- B and
- O situated exactly at the middle of the two forces.
A uniform metre rule of weight 10gf is pivoted at its 0 mark.
What moment of force depresses the rule?
Classify the following amongst contact and non-contact forces.
magnetic force
Define the moment of force.
Write the expression for calculating the moment of force about a given point.
