oneSK-16C

Objective: To apply the Law of Levers in order to balance first class levers.

Core Question: Where can objects be placed in order to balance a first class lever?

Drill:1. Get a Lesson Sheet from the

SET.2. Complete the Drill portion

only.

Law of Levers

oneSK-16C

Homework: Types of Levers

You get 1 Freebie.

Law of Levers

oneSK-16C

Drill:How can you use a first class lever to balance a 200g mass with a 1000g

mass?

Law of Levers

oneSK-16C

EXPLORE YOUR IDEAS!

Law of Levers

oneSK-16C

LAW OF LEVERS

R × RD = E × ED

Law of Levers

R E

RD ED

oneSK-16C

Example

R = 150N RD = 4m E = 25N ED = ______ 

R x RD = E x ED150N x 4m = 25N x ED 600N-m = 25N x ED

600N ÷ 25N = 25N ÷ 25N x ED24m = ED

Law of Levers

150N 25N

4m ??

oneSK-16C

Example

R = 200g RD = 40cm E = 1000g ED = ______ 

R x RD = E x ED200g x 40cm = 1000g x ED 8000 cm-g = 1000g x ED

8000 cm-g ÷ 1000g = 1000g ÷ 1000g x ED8 cm = ED

Law of Levers

200g 1000g

40cm ??

oneSK-16C

Homework

Laws of Levers : Create and solve several problems on your own.

Law of Levers

oneSK-16C

Objective: To apply the Law of Levers in order to balance first class levers. Core Question: Where can objects be placed in order to balance a first class lever?

Drill:1. Take out your papers on the

Law of Levers.2. Identify any questions that

you have.

Law of LeversDay 2

oneSK-16C

PLAY SOME MORE

Law of LeversDay 2

oneSK-16C

Homework:

Family Reunion – Show all work.

Law of LeversDay 2