Sc 6 2.4 Beams, Trusses, Newtons 3rd law

What is the standard unit force is measured in?(Hint: who discovered the 3 laws of forces and motion)

• Newtons
• pounds
• grams
• meters

What is Newton's Third Law?

• Object in motion stays in motion and an object at rest stays at rest unless acted on by a outside force
• Force = mass x acceleration
• For every action there is an equal and opposite reaction

Tags

NGSS.MS-PS2-1

What law of motion does this picture represent?

• Newtons 1st law
• Newtons 4th law 
• Newtons 3rd law 
• Newtons 2nd law

Tags

NGSS.MS-PS2-1

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

Tags

NGSS.HS-PS2-1

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1

Friction and gravity are both examples of a force.

• True
• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A Truss Bridge is made up of which type of shape?

• Rectangles

• Squares

• Triangles

• Octagans

Which is the strongest shape used in engineering?

• Triangle
• Square
• Circle
• Rectangle

Tags

NGSS.MS-ETS1-1

Why do some sports use protective equipment?

• It looks good

• So they look bigger.

• So they can move faster.

• To distribute the force over a larger surface.

Tags

NGSS.MS-PS2-1

What type of Structure would you use to build a house?

• Trusses

• I beams

• C Beams

• Busses

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2