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Force powerpoint

Forces Power Point

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Force powerpoint
Force powerpoint
 A push or pull on an object. 
 Described by: 
•STRENGTH 
•DIRECTION 
 A force gives an object energy to: 
•STOP MOVING 
•START MOVING 
•CHANGE DIRECTION
 The SI unit for force is the 
 The symbol for Newton is 
 One Newton = about the force you exert to 
lift a lime. 
 Named after: 
NEWTON 
N 
Sir Isaac Newton (founder of 
physics)
 Contact Force 
 Non Contact Force
 A push or pull on one object by another that 
is touching it. 
 Contact forces can be: 
 Strong 
OR 
 Weak 
Example: 
FRICTION= force that opposes 
motion between two surfaces in 
contact.

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Force powerpoint

  • 3.  A push or pull on an object.  Described by: •STRENGTH •DIRECTION  A force gives an object energy to: •STOP MOVING •START MOVING •CHANGE DIRECTION
  • 4.  The SI unit for force is the  The symbol for Newton is  One Newton = about the force you exert to lift a lime.  Named after: NEWTON N Sir Isaac Newton (founder of physics)
  • 5.  Contact Force  Non Contact Force
  • 6.  A push or pull on one object by another that is touching it.  Contact forces can be:  Strong OR  Weak Example: FRICTION= force that opposes motion between two surfaces in contact.
  • 7.  A force that one object can apply to another object without touching it.  Examples Include:  Gravity- universal attraction between all objects.  Magnetism- attracts and repels objects
  • 8.  An attractive force that exists between all objects that have mass. ◦ Weight is a measure of the force of gravity acting upon an object.  On EARTH the force of gravity = 9.8 m/s2  All objects fall to the Earth at an acceleration of 9.8m/s2 due to the force of gravity.
  • 9.  The amount of matter in an object.
  • 10.  Weight and mass are related, but ARE NOT the same. CHANGE GRAVITY  Weight can due to  Mass change DOES NOT
  • 11.  can be used to show forces. ARROWS LENGTH  The of an arrow shows the of the force. STRENGTH DIRECTION  The that the arrow points shows the direction in which the FORCE WAS APPLIED LONGER  The stronger the force the the arrow.
  • 12.  The combination of all the forces acting on an object.  To calculate the net force: ◦ If the forces act in the same direction they are added together. ◦ If forces act in opposite directions they are subtracted. DO THE MATH pg 191, #13. Do with shoulder partner.
  • 13.  Forces acting on an object that combine and form a net force of ZERO. NO change in motion.
  • 14.  Forces acting on an object that combine and form a net force that is not zero.  Unbalanced forces cause an object to move.  Forces moving in the same direction are ADDED  Forces moving in the opposite direction are SUBTRACTED
  • 15. FORCE= MASS x ACCELERATION F= ma Force measured in NEWTONS Mass measured in KILOGRAMS Acceleration measured in M/S2 DO THE MATH pg 195….RACE!
  • 16.  Weight and mass are related, but ARE NOT the same.  Weight can due to CHANGE GRAVITY  Mass change DOES NOT F = Weight on Earth = M x A MASS x 9.8m/s2 (acceleration due to the force of gravity)