True is the correct anwser
<span>All of the waves in the electromagnetic spectrum are transverse waves.</span>
Bro I really think it might be c
The mechanical advantage is the factor by which
the machine multiplies the input force.
If the MA is 3 and the input force is 630N, then
the output force is
(3) x (630N) = 1,890N
D because friction will slow it down going up hills (for safety reasons) and you go really fast going down.