Contents

The change in position of an object is called…
a) force 
b) motion             
c) speed
d) mass


Scissors, nut cracker, wheel barrow and human arm are example of………
a) lever                                 
b) inclined plane
c) wheel                                
d) axle


It is used to draw water out of a well……….
a) pulley
b) force 
c) lever  
d) all of these


The characteristics of force are……….
a) force makes the object move slow
b) force makes the object move fast
c) force changes the direction of moving object
d) all of these


Device that makes work easier is called………
a) speed                                
b) velocity
c) simple machine                             
d) none of these


A simple machine used to lift or lower heavy object is………
a) force 
b) lever                  
c) pulley
d) none