Question

QII. State whether the following statements are true or false. Rewrite the false statements
correctly.
1. Sewing machine is an example of a simple machine.
2. Crowbar helps us to multiply force.
3. Output energy is the useful work done by a machine
4. A nut-cracker is an example of a class - III lever.
5. Friction reduces the efficiency of the machine.​

Answer 1

Answer:

1). false

2). true

3). true

4). false

5). true

PLS MARK BRAINLIEST