WorksheetsFRICTION AS A FORCE
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
FRICTION FORCE IS A ------------------------ FORCE.
a)
GRAVITY
b)
CONTACT
c)
MUSCULAR
d)
NONE OF THESE
2.
FRICTION ACTS IN WHICH DIRECTION OF A MOVING OBJECT
(a)
3.
FRICTION HAS DISADVANTAGES
a)
TRUE
b)
FALSE
4.
MARK THE DISADVANTAGES OF FRICTION
a)
PARTS OF MACHINES GET WORN OUT DUE TO FRICTION
b)
THE SOLES OF OUR SHOES WEAR OUT AND GET TORN DUE TO FRICTION
c)
WE WALK DUE TO CONTACT FORCE
5.
THE SUBSTANCES THAT ARE USED TO SMOOTH THE SURFACES ARE CALLED
a)
CARROM
b)
PEN
c)
BALL
d)
LUBRICANTS
6.
FRICTION DOES NOT HAVE ANY AVANTAGES
a)
TRUE
b)
FALSE
7.
DEFINE FRICTIONAL FORCE
(a)
8.
EXAMPLES OF LUBRICANTS
(a)
9.
WE AREABLE TO WALK,TALK,WRITE,RUN,ETC BECAUSE OF FRICTION
a)
FALSE
b)
TRUE
10.
DEFINE LUBRICANTS
(a)
100 %
