Question

state weather the following are true or false. (1) A simple machine makes work easier by providing energy on its own. (2)class ll lever works like a force multplier. (3) The smaller the lead of a screw, the higer is the machanical adventage. (4) A movable pulley reduces the effort used to pull the load. (5) the wheel and axle must move alternately to form a simple machine . (6) the efficiency of every Machine used by us is always equal to 100%​

Answer 1

Answer:

1). False

2). True

3). True

4). True

5). False

6). False

Answer 2

(1). False

(2). True

(3). True

(4). True

(5). False

(6). False