Advertisements
Advertisements
प्रश्न
Under what condition will a set of gears produce a gain in torque.
Advertisements
उत्तर
When the number of teeth in driven gear is more than the number of teeth in driving gear.
संबंधित प्रश्न
How does the effect of force differ when it is applied on a rigid body?
State one way to obtain greater moment of a given force about a given axis of rotation.
Classify the following amongst contact and non-contact force.
force of tension in a string
State Newton's first law of motion. Why is it called the law of inertia?
The moment of a force of 10 N about a fixed point O is 5 N m. Calculate the distance of the point O from the line of action of the force.
Define couple.
Give any two effects of a force on a non-rigid body.
How does the distance of separation between two bodies affect the magnitude of the non-contact force between them?
Clockwise moment produced by a force about a fulcrum is considered to be ______.
A person standing in front of a cliff fires a gun and hears its echo after 3 s. If the speed of sound in air is 336 ms−1.
- Calculate the distance of the person from the cliff.
- After moving a certain distance from the cliff, he fires the gun again, and this time the echo is heard 1.5 s later than the first. Calculate the distance that the person moved.
