stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Physical Science Test 2 Flashcards | StudBud
Physical Science Test 2
1 / 61
What would be a good way to increase the efficiency of a machine?
A
reduce the friction of the machine
B
give the machine a massage
C
speed up the machine
D
increase work input
Next
0
0
correct · 0:00
