SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Forces Motion And Technology
Start Test
Study First
Subject
:
science
Instructions:
Answer 16 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A simple machine that is a straight - slanted surface - which facilitates the raising of loads; a ramp
Machine
Inclined plane
Wedge
Watt
2. The unit used to express energy; equivalent to the amount of work done by a force of 1 N acting through a distance of 1 m in the direction of the force
Pulley
Watt
Joule
Work output
3. The unit used to express power; equivalent to joules per second
Work
Wedge
Watt
Wheel and axle
4. A simple machine consisting of two circular objects of different sizes; the wheel is the larger of the two circular objects
Wheel and axle
Inclined plane
Compound machine
Work output
5. The work done on a machine; the product of the input force and the distance through which the force is exerted
Compound machine
Work input
Pulley
Mechanical advantage
6. A simple machine that consists of a wheel over which a rope - chain - or wire passes
Pulley
Lever
Work input
Work output
7. A device that helps do work by either overcoming a force or changing the direction of the applied force
Machine
Wheel and axle
Mechanical efficiency
Watt
8. A simple machine that is made up of two inclined planes and that moves; often used for cutting
Work output
Wedge
Compound machine
Screw
9. A number that tells how many times a machine multiplies force.
Mechanical advantage
Power
Work
Lever
10. A type of simple machine that consists of an inclined plane wrapped around a cylinder
Lever
Power
Wheel and axle
Screw
11. A quantity - usually expressed as a percentage - that measures the ratio of work output to work input; it can be calculated by dividing work output by work input.
Mechanical efficiency
Mechanical advantage
Machine
Work output
12. The work done by a machine; the product of the output force and the distance through which the force is exerted
Mechanical advantage
Work output
Screw
Joule
13. The transfer of energy to an object by using a force that causes the object to move in the direction of the force
Work
Lever
Pulley
Work output
14. A machine made of more than one simple machine
Watt
Mechanical efficiency
Work output
Compound machine
15. The rate at which work is done or energy is transformed
Watt
Compound machine
Power
Machine
16. Simple machine consisting of a bar free to pivot about a fixed point called the fulcrum.
Joule
Work output
Wedge
Lever