force and pressure

what is force ?

• a push

• a pull

• a pressure

• a energy

forces are always due to some ___________.

• reason

• contact

• irregularity

• interaction

which of the following are contact forces

• gravity

• friction

• muscular

• mechanical

• magnetic

force per unit area is called .............

• thrust

• speed

• pressure

• magnitude

force = pressure/area

• true

• false

area = force/pressure

• true

• false

if jyoti is applying 5 N of force to a ball and then her sister applies 3 N of force to the same box in same direction , what will be the net force ?

• 4 N

• 5 N

• 8 N

• 3 N

• no sufficient information

if i am applying 15 N of force to a table and my sister applies 7 N of force to that same table from opposite direction , so what will be the net force ?

• 15 N

• 8 N

• 7 N

• 19 N

What is strength of force called ?

• altitude

• magnitude

• attitude

• none

do liquids and gases exert pressure ?

• yes

• no

• cannot say anything about it