CH 11 Forces BDP

Fr*ct*on

100

The enemy of all motion

Friction

200

Friction where objects are not moving

Static

300

Friction where objects have a ball or wheel in action

Rolling

400

Friction where objects glide past each other

Slide

500

Friction involved in movement through a liquid or gas

Fluid

It's the Law

100

Newton's 2nd Law equation

F=M*A

200

Newton's 1st Law

Inertia

300

Momentum

Mass times Velocity

400

Which has more Force, a 100Kg boy running at 1m/s² or a 1Kg ball being thrown 100m/s^{2      ?}

Same Force

500

Newton's 3rd Law

Every Action has an equal and opposite reaction.

Grave Situation

100

The acceleration of gravity on Earth

9.8m/s²

200

Gravity has no effect on Mass.  (t or f)

True

300

Gravity has no effect on Weight. (t or f)

False

400

An object that is acted on only by the force of gravity is in _____________.

Free Fall

500

Maximum velocity- achieved when air resistance is equal to the force of gravity

Terminal Velocity

Some of those that run Forces

100

Define Force

A PUSH OR PULL on an object

200

The sum of all forces on an object

Net Force

300

Who developed the 3 laws of motion?

Sir Isaac Newton

400

What is force measured in?

Newtons (N)

500

What is it called when two forces cancel each other out and no motion happens?  

Balanced Forces