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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
fixed mechanical advantage
B
efficiency mechanical advantage
C
ideal mechanical advantage
D
actual mechanical advantage
2) Work divided the time it takes to perform the work is known as
A
Input force
B
Power
C
Efficiency
D
IMA
3) One horsepower equals about
A
746 m/s
B
746 Watts
C
746 Joules
D
746 Newtons
4) The SI unit we use to measure work is the
A
Joule
B
Newton
C
Watt
D
millimeter
5) Which of the following is NOT a way that machines change a force?
A
increase the size of it
B
decreases the size of it
C
change the direction of it
D
increases the distance over which the force acts
6) Input distance/Output distance =
A
Ideal Mechanical Advantage
B
Power
C
Efficiency
D
Actual Mechanical Advantage
7) (Work output/Work input) x 100 =
A
Efficiency
B
Power
C
Actual Mechanical Advantage
D
Ideal Mechanical Advantage
8) A rigid bar that can move around a fixed point is known as a
A
wheel and axle
B
pulley
C
lever
D
inclined plane
9) The SI unit for power is the
A
Newton
B
Tesla
C
Joule
D
Watt
10) To calculate the ideal mechanical advantage of a lever you divide the ____ by the ____.
A
input force, output force
B
output distance, input distance
C
output force, input force
D
input distance, output distance
11) The ____ is the distance between the output force and the fulcrum
A
output force
B
fulcrum arm
C
input arm
D
output arm
12) Which of the following is NOT a classification of levers?
A
Second Class
B
Fourth Class
C
First class
D
Third Class
13) The seesaw is an example of a ___ class lever.
A
Fourth
B
Third
C
Second
D
First
14) The class of lever in which the fulcrum is in between the input and the output forces is
A
First
B
Third
C
Second
D
Fourth
15) The wheelbarrow is an example of a ____ class lever.
A
Fourth
B
Second
C
First
D
Third
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
First
D
Third
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
First
D
Fixed
18) The class of lever in which the input force lies in between the output force and the fulcrum is
A
First
B
Fourth
C
Second
D
Third
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
Lever
B
Wheel and Axle
C
Screw
D
Wedge
*select an answer for all questions
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