TPR2 - Mechanism

A machine is machine is a device that enables us to ...

• perform work with greater comfort and less effort.

• working as little as possible.

• to raise a weight with greater resistance

• minimising the load it carries

Motion can be classify in two tipes. Name them:

We speak about transformation when a mechanism converts a linear motion into...

We speak about transformation when a mechanism converts a rotary motion into...

The lever is _______________when the force multiplied by the force arm is equal to resistance multiplied by the resistance arm.

• on the ground

• balanced

• right-hand inclined

• left-hand inclined

In a class I lever the fulcrum is ...

• between the force and the resistant

• to the right of the resistance

• to the right of the force

• to the left of the resistance

A nutcracker is a ...

• Class III lever

• Class II lever

• Class I lever

• Pulley

In this image, n is.....

If 1 is the driving wheel, in which direction does 2 turn?

• Clockwise

• Anti-clockwise

If 2 is the driving wheel, in which direction does 1 turn?

• Anti-clockwise

• Clockwise