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What is force?
A push or a pull causing movement or A change in movement.
Movement away from the one pushing
push
movement towards the one pulling
pull
Nothing would move without a ****. which can be as *** or ***
Force/ Push/ pull
Push/Pull/Both 1. Closing door 2. Striking keys on a keyyboard 3. raking leaves 4. sawing wood 5. Passing a ball 6. brushing teeth 10. rowing a boat
1 2 Push 3 pull 4. both 5. push 6.7. both
What is gravity?
Force that pulls things towards Earth
What is buoyancy?
Force that keeps something floating
What is friction?
Force that slows down movement
What is magnetic force?
push/ pull that some metal ( iron, stteel, nickel) objects have.
What is electorstatic force?
Force of an electrically charged object
How do you know the existence of gravity?
Leaves falling to the ground. A ball is rolling dow a slope.
Give example of muscular force
running, bicycle
Name the at least six forces
Muscular, magnetic, buoyancy, friction, gravity, electrostatic, wind, moving water
What are the non-contact forces? 4 forces
Electrostatic, magnetic, gravity, wind
Every magnet has a north and south ****** at its end. If the same poles meet, they *****. If opposites meet, they ******.
poles, repel, attract
Name the objects that make use of magnet force.
Refrigerator doors, Magnetic Thumbtack
