The dynamics of Newton's laws

- By Karlee Pruitt!!D

Magnetic force

- Magnetic force, like electric forces, are very

large in comparison to gravitational forces.

Magnetic forces are produced by moving electric

changes.

Electric forces

- Electric forces can be very large.
- If one extra electron can be added to each of the

atoms in the two tennis balls, the resulting

electric forces between them would be

500,000,000,000,000,000,000 Newton's.

Gravitational forces

- Gravitational force is an extremely weak force in

comparison to the other forces. If two tennis

balls are held one meter apart, the gravitational

force between them is only 0.000 000 000 01

newton.

Weak interaction and nuclear force

- Nuclear forces are much stronger than any other

force. The nuclear force holds the nucleus of an

atom together in spite of the strong electric

force of repulsion between its protons. When this

happens, a huge amount of nuclear energy is

released.

Newton's first law and how its in peoples life

- a body continues in its state of rest, or of

uniform motion in a straight line, unless it so

acted upon by a net external force. For example

in today's life, a car that is sitting still (no

motion) is acted upon by another force of another

car can mace it move if it comes in contact with

the first car.

Newtons second law and how its in peoples life.

- the rate of change of momentum is proportional

to the imposed force and goes in the direction of

the force. Aexample is a train wreck. If a train

hits another train of equal force and speed, they

will both go the same distance and feel the same

force. But if the first train is hooked to a

second, the single train will go twice the

distance of the double train and will feel twice

the force.

Newtons 3rd law and examples of it every day life

- For every action there is an equal and opposite

reaction. When sitting on a chair, your body

exerts a force on the chair and the chair exerts

an equal force back if the chair didn't exert the

same force you would fall on your butt

FMA (ex)

- F ma lets us work out the forces at work on

objects by multiplying the mass of the object by

the acceleration of the object. - Example The force at work on a Formula 1 car as

it starts a race! If the F1 car has a Mass of

600kg and an Acceleration of 20m/s/s then we can

work out the Force pushing the car by

multiplyingthe Mass by the Acceleration like

this 600 x 20 12000N.

MFA (ex)

- Weight (force) FMass ma acceleration (due to

gravity)F mam/F 1/aMass divided by

weight reciprocal of acceleration due to

gravity. - For example people on earth.

AF/A (ex)

- m is the mass, f is the force and a is the

acceleration (deceleration if negative).The

equation is a re-arranged form of the equationF

ma (force mass times acceleration) Working

out how much force is used to push a F1 car when

broken down or run out of fuel - If the car has a mass of 700kgAnd a driver

pushes the car with an acceleration of

0.05m/s/sThenF MAForce 700kg x

0.05m/s/sForce 35kN (kiloNewtons)?

- where m is the mass of the object see reference

1 for a discussion of how to define mass.

Meanwhile, g is the vector representing the local

gravitational acceleration. This is also called

the gravitational field (in analogy to electrical

field, magnetic field, et cetera). We define g

as - g the acceleration of a freely-falling test

particle.

MW/g

- To fine mass you have to take weight and divide

it by gravity.

Gw/m

- To fine gravity you half to divied we.ight to

find the mass