HELP!!! its science stuff...?

Question

okay well in science i got a quiz back and i need some answers that i got wrong

1. _______ is the unit for measuring work

2. _______is the work that goes IN the a machine

3. even if a large force is exerted on an oblect, no work is preformed if...

4. the effort force is multiplied in a ...

5. an example of a second class lever is a) crowbar b) tweezers c) nutcracker

6. neither force nor distance is multiplied by a (an)_...

7. an example of a compound machine is a) pilers b) blender c) ramp

dont say u suck at science and stuff please im sensitive i just need answers PLEASE

Answer 1

joule or foot-pound

input

no movement

effort distance

nutcracker

blender