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FORCES AND
MACHINES
BY:MARIA AND GEMMA
FORCES CAN PUT OBJETS INTO
MOTION.A FORCE CAN PUT AN
OBJECT INTO MOTION STOP AN
OBJECT OR CHANGE THE WAY THAT IT
MOVES .A ...
TYPES OF FORCE
• CONTACT FORCES
• Contact forces act on objects
by making physical contact.
• NON-CONTACT FORCES
• Non-con...
GRAVITY
MACHINES
A machine is an instrument that multiplies the force.
• SIMPLE
MACHINES
• Have usually got one or
two parts.
• CO...
TYPES OS SIMPLE MACHINES
A lever consists of a rigid bar that
turns on a fixed point called the
fulcrum.
A pulley is a whe...
COMPLEX MACHINES
A complex machine is a
combination of two or more
simple machines.
Forces and machines
Forces and machines
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Forces and machines

  1. 1. FORCES AND MACHINES BY:MARIA AND GEMMA
  2. 2. FORCES CAN PUT OBJETS INTO MOTION.A FORCE CAN PUT AN OBJECT INTO MOTION STOP AN OBJECT OR CHANGE THE WAY THAT IT MOVES .A FORCE CAN ALSO DEFORM OR BREAK AN OBJECT.
  3. 3. TYPES OF FORCE • CONTACT FORCES • Contact forces act on objects by making physical contact. • NON-CONTACT FORCES • Non-contact forces act on objects without making physical contact-.
  4. 4. GRAVITY
  5. 5. MACHINES A machine is an instrument that multiplies the force. • SIMPLE MACHINES • Have usually got one or two parts. • COMPLEX MACHINES • Have got many parts.
  6. 6. TYPES OS SIMPLE MACHINES A lever consists of a rigid bar that turns on a fixed point called the fulcrum. A pulley is a wheel with an axle in the centre and a rope that turns around. Ramps are inclined planes that we can use to go up and down . We can also use them to move heavy loads.
  7. 7. COMPLEX MACHINES A complex machine is a combination of two or more simple machines.

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