Free Exam: 26iesoHR_Session5_Primary2
Number of Questions in Test: 25
Number of Questions in Preview: 5
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[size=4]A seesaw works because a long board rests on a center support. Which simple machine principle makes it work?[/size]
[cmimg]0/11281619_A8X1JD12.png[/cmimg]
[cmimg]0/11281619_A8X1JD12.png[/cmimg]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 2
[size=4]A construction worker pushes a heavy drum up a slanted surface instead of lifting it straight up. Why is this easier?[/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 3
[size=4]A jar lid has spiral grooves that allow it to be tightened securely. What simple machine is found in the lid?[/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 4
[size=4]Which simple machine is used when you turn a steering wheel to control a car?[/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 5
[size=4]Scissors combine two simple machines. Which are they?[/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |