Question

B. State whether the following statements are true (T) or false (F). Correct the false statements

1. A simple machine makes work easier by providing energy on its own.

2. Class II lever works like a force multiplier.

3. The smaller the lead of a screw, the higher is the mechanical advantage.

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. True

2. False

3. True

4. True

5. True

6. False

Explanation:

Answer 2

Answer:

5( t)

6(f)

Explanation:

A work done by machine is called simple machine

#just like pulley, screw driver ,wheel, are a simple machine

# machine is an instrument that can easily provide