Question

C. Write T for true and F for false statements.
1. A screw jack is used to drive a nail into a wall.
2. Gears are used for a gain in speed.
3. A claw-hammer is a class-three lever.
4. In a wheel-barrow, the fulcrum is in the middle.
5. According to the Law of Levers, Load Load arm = Effort x Effort arm.
6. In a single fixed pulley, the distance moved by the effort is equal to the distance moved by
the load.
7. A sewing machine is a simple machine.
8. Regular oiling and polishing increases the life of a machine.
9. The steeper the slope of an inclined plane, the greater its efficiency.
10. The point at which a lever is supported is called the axle.
the following​

Answer 1

Explanation:

true

true

false

false

true

false

true

true

false

true

Answer 2

Answer:

1) true

2) true

3) false

4) false

5) true

6) false

7) true

8) true

9) false

10) true

Explanation:

hope it helps!