Physics
The moment of a force of 20 N about a fixed point O is 10 N m. Calculate the distance of the point O from the line of action of the force.
Force
217 Likes
Answer
As we know,
Moment of Force = Force × Perpendicular distance from the point O
Moment of force = F × r
Substituting values in the above formula we get,
10 = 20 x r
⇒ r = = 0.5 m
Hence, distance of the point O from the line of action of the force is 0.5 m.
Answered By
125 Likes
Related Questions
Prove that
Moment of couple = Force x Couple arm.
Describe a simple experiment to verify the principle of moments, if you are supplied with a metre rule, a fulcrum and two springs with slotted weights.
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.
A 50 kg mass is being lifted by using a 1 metre long lever. If the length of the lever is reduced by 20%, how much more or less force is to be applied to achieve the same torque?