Biology

Chaz Cummings

1 December, 02:13

If you are using a screwdriver to pry open a paint can, you are using what type of simple machine?

Question 1 options:

pulley

lever

screw

wheel and axle What is done whenever a force moves an object through a distance?

Question 2 options:

force

load

energy

work

What simple machines would move or turn an object?

Question 3 options:

wheel and axle

lever

screw

wedge A see-saw is an example of what type of lever?

Question 4 options:

First Class

Second Class

Third Class

Fourth Class A ramp is an example of an inclined plane. A man in a wheelchair was trying to get up the ramp, but he was having trouble because it was too steep. What can you do to make the ramp more useful?

Question 5 options:

Shorten the ramp

Decrease the height of the ramp

Remove the ramp and put in stairs

Lengthen the ramp