Question

3. Select the choice that best completes the following sentence. When an axe is used to chop wood, the axe blade acts as a wedge and does not change the direction of the input force. the axe blade acts as a lever and changes the direction of the input force. the axe blade acts as a lever and does not change the direction of the input force. the axe blade acts as a wedge and changes the direction of the input force.

Answer 1

The axe blade is probably wedge shaped in cross section.

the axe blade acts as a wedge and changes the direction of the input force

To remove the axe for the next chop, you probably have to lever the wedge out of the hole you're making 

Hmmmm tricky q i fancy

Answer 2

the axe blade acts as a wedge and changes the direction of the input force