Advertisements
Advertisements
Question
The stone of hand flour grinder is provided with a handle near its rim. Give reason.
Solution
The stone of hand flour grinder is provided with a handle near its rim so that it can be rotated easily about the iron pivot at its centre by a small force applied at the handle.
APPEARS IN
RELATED QUESTIONS
A potter turns his wheel by applying a force through the stick near the rim of wheel.
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and mass for a constant force.
A spanner (or wrench) has a long handle. Why?
The moment of a force about axis depends ______.
Classify the following amongst contact and non-contact forces.
electrostatic force
Under what condition will a set of gears produce a gain in torque.
State the units of moment of force.
State when the moment of force is positive and when it is negative.
A uniform metre rule rests horizontally on a knife-edge at the 60 cm mark when a mass of 10 gram is suspended from one end. At which end must this mass be suspended? What is the mass of the rule?
A door lock is opened by turning the lever (handle) of length 0.2 m. If the moment of force produced is 1 Nm, then the minimum force required is ______.
