Mechanisms. General revisionVersión en línea

Check how much have you learned about mechanisms with the following test.

por Rubén Campos
1

Mechanisms are elements that transmit .................. and movements.

2

Which is the force that we have to apply to raise an object of 300Kg with one pulley?

3

Which is the force that we have to apply to raise an object of 300Kg with a moveable pulley?

4

Which is the force that we have to apply to raise an object of 800Kg with a hoisting tackle composed by six pulleys?

5

Calculate the speed at which the big wheel rotates knowing that the small one rotates at a speed of 10 000rpm and the diameter of the small wheel is 10cm and the big one 50cm

6

If we join one gear of 60 teeth that rotates at 6000 rpm to another gear of 10 teeth. At which speed will it rotate?

7

The rack and pinion mechanism transforms a rotatory movement to a.................... one

8

In the International System of units (S.I) the unit used to measure the rotatory speed is........