simple machines test

simple machines test

12th Grade

•

40 Qs

quiz-placeholder

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simple machines test

simple machines test

Assessment

Quiz

•

Engineering

•

12th Grade

•

Practice Problem

•

Hard

Created by

Jamey Neff

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Mechanical Advantage (MA) is:

Ratio of the magnitude of the resistance and effort forces
Ratio of distance traveled by the effort and the resistance force
All of the above
None of the above

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If MA is greater than 1:

Proportionally less effort force is required to overcome the resistance force
Proportionally greater effort force is required to overcome the resistance force
Proportionally less effort distance is required to overcome the resistance force
MA cannot be greater than 1

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which simple machine will have a mechanical advantage less than 1?

crane
weight machine
a windmill
a conveyer belt

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An inclined plane is 15 meters long and raises 3 meter high.  If you want to push a 20 N box up the inclined plane, how much effort force will you need? Remember, FeDe = FrDr

 900 N
4 N
2.25 N
  100 N

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A pulley brings a 100 kg piano up into a second story window.  What is the ideal mechanical advantage if the pulley has 5 strands?

20
500
5
0.05

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Tommy and Jimmy are on a seesaw like the picture.  Tommy weighs 40 lb and Jimmy weighs 30 lb.  What is the Mechanical Advantage when Jimmy makes the two boys level?

1.3
0.75
1
120

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A wheelbarrow is carrying 50 lb of cement.  The radius of the wheel is 10 inches and the radius of the axel is 4 inches.  What effort force is needed to move the cement if the axle is driving the wheel?  Remember FeDe = FrDr

12.5 lb
125 lb
4 lb
20 lb

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