When two or more simple machines work together, they are called a(n)
a. compound machine
c. screw
b. effort machine
d. simple machine

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u