# Simple Machines Review Game: Question Preview (ID: 22938)

### Below is a preview of the questions contained within the game titled SIMPLE MACHINES REVIEW GAME: Physical Science 9 Chapter 14 Review Game On Simple Machines. To play games using this data set, follow the directions below. Good luck and have fun. Enjoy! [print these questions]

The class of lever in which the input force lies in between the output force and the fulcrum is
a) First
b) Second
c) Third
d) Fourth

To calculate the mechanical advantage of a pulley you
a) Multiply the input force by the output force
b) Divide the number of ropes supporting the load by the weight of the load
c) Count the number of ropes supporting the load
d) Divide the output distance by the input distance

The type of pulley in which the direction of the force is changed, however, the size of the force is not increased is ____.
a) First
b) Fixed
c) Block and Tackle
d) Movable

The wheelbarrow is an example of a ____ class lever.
a) First
b) Second
c) Third
d) Fourth

The class of lever in which the output force is in between the input force and the fulcrum is
a) First
b) Second
c) Third
d) Fourth

The class of lever in which the fulcrum is in between the input and the output forces is
a) First
b) Second
c) Third
d) Fourth

The seesaw is an example of a ___ class lever.
a) First
b) Second
c) Third
d) Fourth

Which of the following is NOT a classification of levers?
a) First class
b) Second Class
c) Third Class
d) Fourth Class

The ____ is the distance between the output force and the fulcrum
a) input arm
b) fulcrum arm
c) output arm
d) output force

To calculate the ideal mechanical advantage of a lever you divide the ____ by the ____.
a) input distance, output distance
b) input force, output force
c) output distance, input distance
d) output force, input force

The SI unit for power is the
a) Watt
b) Joule
c) Newton
d) Tesla

A rigid bar that can move around a fixed point is known as a
a) pulley
b) wheel and axle
c) inclined plane
d) lever

(Work output/Work input) x 100 =
b) Efficiency
d) Power

Input distance/Output distance =
b) Power
d) Efficiency

Which of the following is NOT a way that machines change a force?
a) change the direction of it
b) increase the size of it
c) increases the distance over which the force acts
d) decreases the size of it

The SI unit we use to measure work is the
a) Joule
b) Newton
c) Watt
d) millimeter

Work divided the time it takes to perform the work is known as
a) Efficiency
b) Power
c) Input force
d) IMA

a) 746 Joules
b) 746 Watts
c) 746 Newtons
d) 746 m/s

The type of mechanical advantage in which friction is considered is