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Simple Machines Review Game
Test Description: Physical Science 9 Chapter 14 review game on simple machines.
Instructions: Answer all questions to get your test result.
1) The type of mechanical advantage in which friction is considered is
A
efficiency mechanical advantage
B
fixed mechanical advantage
C
actual mechanical advantage
D
ideal mechanical advantage
2) Work divided the time it takes to perform the work is known as
A
Efficiency
B
Input force
C
Power
D
IMA
3) One horsepower equals about
A
746 Joules
B
746 Newtons
C
746 Watts
D
746 m/s
4) The SI unit we use to measure work is the
A
Watt
B
Newton
C
millimeter
D
Joule
5) Which of the following is NOT a way that machines change a force?
A
increases the distance over which the force acts
B
change the direction of it
C
decreases the size of it
D
increase the size of it
6) Input distance/Output distance =
A
Power
B
Ideal Mechanical Advantage
C
Efficiency
D
Actual Mechanical Advantage
7) (Work output/Work input) x 100 =
A
Power
B
Actual Mechanical Advantage
C
Ideal Mechanical Advantage
D
Efficiency
8) A rigid bar that can move around a fixed point is known as a
A
wheel and axle
B
inclined plane
C
pulley
D
lever
9) The SI unit for power is the
A
Watt
B
Joule
C
Tesla
D
Newton
10) To calculate the ideal mechanical advantage of a lever you divide the ____ by the ____.
A
output force, input force
B
output distance, input distance
C
input force, output force
D
input distance, output distance
11) The ____ is the distance between the output force and the fulcrum
A
input arm
B
fulcrum arm
C
output force
D
output arm
12) Which of the following is NOT a classification of levers?
A
First class
B
Third Class
C
Second Class
D
Fourth Class
13) The seesaw is an example of a ___ class lever.
A
First
B
Fourth
C
Second
D
Third
14) The class of lever in which the fulcrum is in between the input and the output forces is
A
Fourth
B
First
C
Second
D
Third
15) The wheelbarrow is an example of a ____ class lever.
A
First
B
Third
C
Fourth
D
Second
16) The class of lever in which the output force is in between the input force and the fulcrum is
A
Fourth
B
Second
C
Third
D
First
17) The type of pulley in which the direction of the force is changed, however, the size of the force is not increased is ____.
A
Block and Tackle
B
Movable
C
Fixed
D
First
18) The class of lever in which the input force lies in between the output force and the fulcrum is
A
Third
B
First
C
Fourth
D
Second
19) To calculate the mechanical advantage of a pulley you
A
Divide the number of ropes supporting the load by the weight of the load
B
Multiply the input force by the output force
C
Divide the output distance by the input distance
D
Count the number of ropes supporting the load
20) A ____ is made of a larger outer disk attached to a smaller inner disk.
A
Screw
B
Lever
C
Wedge
D
Wheel and Axle
*select an answer for all questions
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