A. 4500*sin78=4401 N
b. 4500*cos78 = 935 N
c. this one is from geometry.
Two forces 4500N and 686N with the angle 78+90=168 in btw of them
Net force =
= 3831 N
Hello There
Answer: The wheel and axle, the lever, and the wedge
Reason: The two long arms that clamp onto the can are levers. The handle which is used to rotate the can is the wheel and axle<span>. Finally the blade is the wedge
I hope I helped
-Chris</span>
40% of the Earth's surface is covered by continental crust.
Starting with the equation for newtons second law of motion: