Forces and Newton's First Law

Inertia is.......

• the force that keeps us on the earth

• resistance to change in motion

• force of gravitational pull

A(n) _________________________ is a push, pull, or twist.

• friction

• speed

• force

• acceleration

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What Unit do we Measure Force in? 

• Newtons

• Joules

• Force

• Don't know

The force that causes a ball to fall to the ground is ____________________________

• gravity

• lubricant

• friction

• motion

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

An object in motion tends to stay in motion unless an ___ force acts on it.

• unbalanced

• balanced

Tags

NGSS.MS-PS2-2

You and your friend, are playing tug of war. Your friend pulls with a force of 55 N to the right. You pull with a force of 65 N to the left. What is the net force on the rope?

• 10 N, to the left

• 20 N

• 10 N, to the right

Tags

NGSS.MS-PS2-2

If the net force on an object is zero, the object will:

• start moving

• stop moving

• change direction

• there will be no change in the object's motion

Newton's 1st Law is also called the Law of ...

• Friction

• Inertia

• Unbalanced forces

• Newtons

Objects with greater _________ also have greater inertia.

• speed

• mass

• temperature

• friction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Because of inertia, a resting object will remain at ________.

• rest

• a constant speed

• school

• inertia