20. All are practical and safe use of simple machines in real life except;
A.TRANSFERRING A FORCE FROM ONE PLACE TO ANOTHER,
B. CHANGING THE DIRECTIOM OF FORCE
C.INCREASING THE MAGNITUDE OF A FORCE
D. DECREASING THE DISTANCE OF SPEED OF A FORCE
A.TRANSFERRING A FORCE FROM ONE PLACE TO ANOTHER,
B. CHANGING THE DIRECTIOM OF FORCE
C.INCREASING THE MAGNITUDE OF A FORCE
D. DECREASING THE DISTANCE OF SPEED OF A FORCE
Answers & Comments
Answer:
20. All are practical and safe use of simple machines in real life except;
C.