FORCE AND MOTION. FORCE AND MOTION. FORCES ARE REQUIRED TO CHANGE THE MOTION OF OBJECTS. NEWTON’S LAWS DEFINE THE RELATIONSHIP BETWEEN: FORCE MASS (INERTIA) ACCELERATION. KEY TOPICS. INERTIA NEWTON’S FIRST LAW NEWTON’S SECOND LAW WEIGHT NEWTON’S THIRD LAW. INERTIA.
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RESISTANCE TO CHANGES TO MOTION
IT IS MEASURED USING THE GRAM FAMILY
THE KILOGRAM IS MOST OFTEN USED IN NEWTON’S LAWS
TABLE CLOTH – PLACE SETTING
IF THE SUM OF ALL THE FORCES UPON AN OBJECT IS ZERO
PAPER CLIP PULL
This is being replaced with the PhET sim
“forces and motion – basics”
THE MATHEMATICAL FORM OF NEWTON’S SECOND LAW IS
A = F / M
The acceleration on an object is “a”. If the force on the object is doubled and its mass is cut in half, what will be its new acceleration?
F = M A
F = M A
THE RELATION BETWEEN MASS AND WEIGHT IS
Wt = M g
IF AN OBJECT EXERTS A FORCE ON A SECOND OBJECT, THE SECOND EXERTS AN EQUAL BUT OPPOSITE FORCE ON THE FIRST.
RECOIL OF A “CANNON”
When a bug splatters upon a windshield, the force on the bug is _______ the force on the windshield.