Forces and Newton's Laws

a push or pull

• force

• friction

• gravity

• inertia

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

An object must move, in order for force to be acting on it

• true

• false

the sum of all the forces acting on an object

• weight

• gravity

• net force

• balanced force

Tags

NGSS.MS-PS2-2

What is the SI unit of force?

• m/s ²

• kg

• N

• N/kg

movement resulting in a net force

• balanced forces

• unbalanced forces

Tags

NGSS.MS-PS2-2

no movement resulting in no net force

• balanced forces

• unbalanced forces

Two people push on a box in opposite directions. One pushes with a force of 10N and one with a force of 40N. What is the net force on the box?

• 50N

• 30N

• -30N

• no net force

Tags

NGSS.MS-PS2-2

Two people push on a box in the same direction. One pushes with a force of 10N and one with a force of 40N. What is the net force on the box?

• 50N

• 30N

• -30N

• no net force

Tags

NGSS.MS-PS2-2

the force that opposes the sliding motion of two surfaces that are touching each other

• gravity

• air resistance

• friction

• weight

What type of friction cancels your force?

• rolling

• static

• sliding

Tags

NGSS.MS-PS2-1