# the dynamics of newton's laws - PowerPoint PPT Presentation

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## the dynamics of newton's laws

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### the dynamics of newton's laws – PowerPoint PPT presentation

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Title: the dynamics of newton's laws

1
The dynamics of Newton's laws
• By Tabatha Lisle

2
Magnetic force
• Magnetic force is when two magnets pull together
or apart.
• For example if you put two south magnets
together they wont stay together but if you put
south and a north side they stay together.

3
Electric force
• Electric force is when you can feel the force .
• Foe example when you rub your hand really
• Fast on a cover you can touch someone and you can
feel the electric going to the other person from
you.

4
Gravitational force
• Gravitational force is a force that holds objects
down.
• For example gravitational force is what holds us
down.

5
Weak interaction and nuclear force
• It is rare because it is only found in the
nucleus
• For example an explosion

6
Newton's first law of motion
• Newton's first law of motion is that an object
in rest stays in rest and an object in motion
stays in motion.
• For example a toy ball rolling across the floor
and doesn't stop, it will continue to be in
motion until it hits something or anther force
stops it.

7
Newton's second law of motion
• When someone applies force to an object it will
accelerate.
• For example pushing a box across the room

8
Newton's third law of motion
• Every object has an equal and opposite
reaction
• For example a rocket . A rocket would be one
because the fire lifts it up and pushes against
the ground causing it to have a reaction.

9
FM x A
• An example would be a plane crashing
• You will need to know the force of the plane
because you wouldnt want the plane to crash
again.
• You will need to know the mass times acceleration
to figure out the force of the plane

10
Mf/a
• An example of mf/a would be a car
• You have to know the force of the car and the
acceleration to get the mass.

11
Af/m
• For example a fish swimming
• To know the acceleration of the fish you have to
know its force and the mass of the fish.

12
Wm x g
• for example a rock
• To know the weight of the rock you have to know
the mass and the gravity.

13
Mw/g
• For example a building
• You have to divide the weight of the building by
the gravity.

14
Gw/m
• For example a dog
• You have to know the weight and the mass of the
dog to know how much gravity is pulling it down.