MOTION THE EFFECTS OF FORCES ON MOTION FORCE
- Slides: 16
MOTION: THE EFFECTS OF FORCES ON MOTION
FORCE: THE CAUSE OF MOTION (MAKE THINGS MOVE) THERE ARE 2 KINDS OF FORCE: * PUSH * PULL
MANY FORCES CAN ACT ON AN OBJECT • GRAVITY • FRICTION • MAGNETIC • CONTACT
GRAVITY: FORCE OF ATTRACTION TOWARDS ANOTHER OBJECT PBS KIDS GRAVITY CLIP • HTTP: //WWW. YOUTUBE. COM/WATCH? V=AFGJ 4 Q 2 J 9 MW
FRICTIO N ACTS IN OPPOSITE DIRECTION OF OBJECT SLIDING • HTTP: //HOMEWORKZONE. TVOKIDS. COM/VIDE OS/GRAVITYANDFRICTIONDOWNHILLSKIING
MAGNETI C STRONG FORCE UPON ANOTHER OBJECT • HTTP: //WWW. TVOKIDS. COM/VIDEOS/MAGNETI SM
CONTA CT TWO OBJECTS TOUCHING EACH OTHER
BALANCED AND UNBALANCED FORCES • BALANCED FORCE: ALL FORCES ACTING ON AN OBJECT ARE EQUAL, NO MOTION • UNBALANCED FORCE: ONE OR MORE FORCES ACTING ON THE OBJECT ARE STRONGER THAN OTHERS= MOTION (NET FORCE)
LET’S TAKE A CLOSER LOOK! • HTTP: //WWW. YOUTUBE. COM/WATCH? V=HEJOYBRXCLK
MASS : THE AMOUNT OF MATTER IN AN OBJECT • MORE MASS = MORE INERTIA • BIGGER OBJECTS ARE HARDER TO START AND STOP
INERTIA • DESCRIBED BY SIR ISAAC NEWTON- 1 ST LAW OF MOTION (AKA: THE LAW OF INERTIA) • THE TENDENCY OF AN OBJECT TO KEEP DOING WHAT IT WAS ALREADY DOING • (THINK OF THE TERM LAZY) EX: COMMERCIAL: OBJECTS AT REST STAY AT REST, OBJECTS IN MOTION STAY IN MOTION EX: GOLF PHYSICS HTTP: //WWW. YOUTUBE. COM/WATCH? V=GYGGHVCAAPW THE GREATER THE MASS= THE GREATER THE INERTIA • LET’S LOOK AT THE TOY BOX PHYSICS LINK: • HTTP: //WWW. YOUTUBE. COM/WATCH? V=DQEGYXH 9 SES
LET’S TRY SOME ACTIVITIES TO SEE INERTIA IN ACTION • 1. MAGIC TRICK WITH CARD, GLASS AND PENNY • WHAT HAPPENED? • 2. CURRENCY EXCHANGE • WHAT HAPPENED? • 3. CATCHING WASHERS • WHAT HAPPENED?
WHAT IS MOTION? CHANGE IN POSITION OVER TIME • MASS INFLUENCES- GREATER MASSES HAVE GREATER MOTION
REFERE NCE POINT THE POINT TO WHICH OTHER THINGS ARE COMPARED • HTTP: //WWW. YOUTUBE. COM/WATCH? V=SA 2 Z YD 2 A 45 C
- Mind mapping of intermolecular forces
- Example for unlike parallel forces
- The forces shown above are pushing/pulling forces
- Intermolecular forces vs intramolecular forces
- Similarities of intermolecular and intramolecular forces
- Covalent bond intermolecular forces
- What are some contact forces and some noncontact forces?
- Balanced forces and unbalanced forces venn diagram
- What are constructive and destructive forces
- Moments in physics
- Effect of gravitational force
- What is gravity and friction
- Force effects
- The word centripetal means seeking
- What is gravitational force
- Body diagram
- Which of the following forces is a contact force? *