FRICTION AS A FORCE

FRICTION FORCE IS A ------------------------ FORCE.

• GRAVITY

• CONTACT

• MUSCULAR

• NONE OF THESE

FRICTION ACTS IN WHICH DIRECTION OF A MOVING OBJECT

Tags

NGSS.3-PS2-1

FRICTION HAS DISADVANTAGES

• TRUE

• FALSE

MARK THE DISADVANTAGES OF FRICTION

• PARTS OF MACHINES GET WORN OUT DUE TO FRICTION

• THE SOLES OF OUR SHOES WEAR OUT AND GET TORN DUE TO FRICTION

• WE WALK DUE TO CONTACT FORCE

THE SUBSTANCES THAT ARE USED TO SMOOTH THE SURFACES ARE CALLED

• CARROM

• PEN

• BALL

• LUBRICANTS

FRICTION DOES NOT HAVE ANY AVANTAGES

• TRUE

• FALSE

DEFINE FRICTIONAL FORCE

Tags

NGSS.MS-PS2-2

EXAMPLES OF LUBRICANTS

WE AREABLE TO WALK,TALK,WRITE,RUN,ETC BECAUSE OF FRICTION

• FALSE

• TRUE

DEFINE LUBRICANTS