Introduction to Forces

What is force?

• a push

• a pull

• a push or a pull

• a snack

What is the SI unit of force?

• newton

• joule

• pascal

• stark

Force is a physical quantity. Which type of quantity force is? (You can choose more than one answer)

• scalar

• vector

• base

• derived

• mysterious

Which activity is related to applying force?

• pulling

• lifting

• bending

• sleeping

• chatting

What is the effect of force to an object?

• change the motion of an object

• change the mood of an object

• change the color of an object

• deform the size/shape of an object

• move a resting object

What is contact force?

• force which result even when the objects are not in physical contact one another

• force generated by objects despite their physical separation

• force that result due to physical contact of objects

• force with phone numbers, e-mail, insta, or tiktok account maybe

What is non-contact force?

• force which result even when the objects are not in physical contact one another

• force generated by objects despite their physical separation

• force that result due to physical contact of objects

• force with phone numbers, e-mail, insta, or tiktok account maybe

Which forces are contact force?

• force of gravity

• normal force

• friction

• tension

• electrostatic force

Which forces are action at a distance force?

• force of gravity

• magnetic force

• air resistance

• tension

• electrostatic force

What is the direction of gravitational force?

• upward to the highest sky

• downward to the center of the earth

• nowhere to go

• at the same direction of the motion