Train में steering wheel क्यों दी जाती है?Why there is steering wheel in train? #shorts

If the radius of a steering wheel is increased to four times its original value, then the moment of couple acting on the steering wheel for the given forces

A car has a steering wheel of diameter to cm. It is turned with anti-parallel forces of a magnitude of 4 N each. Calculate the moment of couple.

Why is it essential to get the training of first aid?

Who speaks of Cabinet system as "the steering wheel of the ship of state " ?

Why buffers are provided between the bogies of a train ?

Why spokes are provided in a bicycle wheel ?