Advertisements
Advertisements
Question
A body is acted upon by two forces of magnitude F but in opposite directions. State the effect of the force if both forces act at the same point of the body.
Solution
Resultant force acting on the body = F - F = 0
moment of forces = 0 i.e no motion of the body
RELATED QUESTIONS
A brass ball is hanging from a stiff cotton thread. Draw a neat labeled diagram showing the forces acting on the brass ball and cotton thread
A force is applied on (i) a non-rigid body and (ii) a rigid body. How does the effect of the force differ in the above two cases?
State two effects of a force when applied on a body.
State the effect of force F in of the following diagram.
What is thrust?
The spanner (or wrench) has a long handle.
Name and define the S.I and C.G.S unit of force. How are they related?
A, B and C are the three forces each of magnitude 4 N acting in the plane of the paper as shown in Figure. The point O lies in the same plane.
- Which force has the least moment about O? Give a reason.
- Which force has the greatest moment about O? Give a reason.
- Name the forces producing
(a) Clockwise
(b) anticlockwise moments. - What is the resultant torque about the point O?
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?
