Mechanical Comprehension – Test 1

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This subtest has 16 questions and a time limit of 20 minutes

1 / 16

A lever's three basic parts are the fulcrum, force (or effort), and:

2 / 16

What is the pivotal point of a lever?

3 / 16

Which of the following terms is the study of how forces affect the motion of objects and systems?

4 / 16

Which of the following is a system of measurement used in the United States and includes units of measure such as feet, gallons, and pounds?

5 / 16

Which of the following terms means a representation of something often too difficult (or impossible) to display directly?

6 / 16

Which of the following means a description, using concise language or a mathematical formula, of a generalized pattern in nature supported by scientific evidence and repeated experiments?

7 / 16

Which of the following terms means a ratio that expresses how many of one unit are equal to another unit?

8 / 16

What are the two basic principles in machines?

9 / 16

Which of the following terms concerns the ability of an object to resist changes in its motion?

10 / 16

What is the SI unit of force needed to accelerate an object with a mass of 1 kg at a rate of 1 m/s2

11 / 16

Which of the following terms means a physical quantity chosen by convention and practical considerations such that all other physical quantities can be expressed as algebraic combinations of them?

12 / 16

What science is concerned with describing the interactions of energy, matter, space, and time?

13 / 16

What is one of the main uses of a machine?

14 / 16

What is an "order of magnitude"?

15 / 16

The doorknob is an example of what machine?

16 / 16

What is the most simple of machines?

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