AnswersPBCSD_Grade_Forgiveness_2003310_Physical Science_S2_2022Introduction to MachinesQuestion 1
1
QuizMultiple Choice

Introduction to Machines

Question 1 • PBCSD_Grade_Forgiveness_2003310_Physical Science_S2_2022

A machine can never be 100% efficient because some work is always lost due to which factor?

Answer
A
friction
B
gravity
C
static
D
input force
Next