Question

Which of the following is not a type of wedge?

hammer
door stop
chisel
axe blade

Answer 1

Hammer ,I think as wedges are triangular from side

Answer 2

really so its hammer

Answer 3

Yes

Answer 4

thanks can you help me with 1 more

Answer 5

Sure

Answer 6

What's next

Answer 7

Sarah does 35 N-m of work on a jack to lift her car up so she can change a flat tire. If the jack puts out 30 N-m of work, what is the jack’s efficiency?

86%
8.6%
117%
65%

Answer 8

Input=35
Output =30
Efficiency=30/35 ×100~86%

Answer 9

What class of lever is a broom?

1st class
2nd class
4th class
3rd class

Answer 10

1st

Answer 11

?

Answer 12

A broom is a third-class lever. The reason is that it has the fulcrum at one end, like second-class, however, the broom is pushed in the middle of the broomstick, making it third-class.

Answer 13

@noahbred