Newton's Laws

1/4

1/6

This material was developed with funding from the National Science Foundation under Grant # DUE 1601612

Newton's Law

Next

Restart

Back

Newtons

= Ma

+

Mg

200

N – Mg = 0

100

F2

∑Fy =

300

If Force 1 and Force 2 are both in the same direction, the magnitude of the forces are added. (i.e. Both Force 1's and Force 2's direction = 0 degrees)

∑Fx =

F1

Set Magnitude for  F1

Equation Builder:

N

2/6

Set the magnitude for each force below.

Set Magnitude for  F2

=

=  Ma

Mg

4/6

=  0

fk

F1cosθ

θ

–

20

fk

F1sinθ

0

sin

Set the magnitude and direction below.

cos

Kinetic friction =  fk= 20

Set Direction for  F1

Some text here

3/6

If Force 1 and Force 2 are in the opposite direction the magnitude of the forces are subtracted. (i.e. Force 1's direction = 0 degrees, and Force 2's direction = 180 degrees)

mg sinθ

mg cosθ

Set the incline below.

Y

mg

5/6

sin

Wood on Wood Coefficients to Friction μs  =  0.4          μk  =  0.2 Conditions Static (standing still): mg sinθ  > μs mg cosθ               tanθ >μs Kinetic (moving): θ  > 21.8° movement begins when angle of the incline is greater than 21.8

X

mg cos θ

–

PLAY

mg sinθ

6/6

Drag and drop the weights on to the hook.