Answer:
An air hockey table has a very smooth and slippery surface which reduces friction by suspending the puck on cushion of air, so that this its motion is much less altered by friction, causing it to glide in a straight line at relatively constant velocity across the table.
Explanation:
From the law of the lever:
<span>mechanical advantage= input arm : output arm
input arm- a
output arm-b
</span>

<span>Input arm is equal 4,8m</span>
Answer:
I think 1 is d and 2 is A
Explanation:
but I may be wrong and I am so sorry if I am