Unit Test Simple Machines - alpha

What is a real world example of a pulley?

• crane

• ax

• lever

• Mr. Ellis

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is a real-world example of a wedge?

• crane

• ax

• lever

• Mr. Ellis

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is a real-world example of a screw?

• ramp

• jar lid

• inclined plane

• Mr. Ellis

What is a real-world example of an inclined plane?

• ramp

• jar lid

• pulley

• Mr. Ellis

Tags

NGSS.MS-ETS1-2

Which of the following is NOT a type of pulley?

• COMPOUND PULLEY

• ADJUSTABLE PULLEY

• MOVEABLE PULLEY

• FIXED PULLEY

What simple machine can be used to lift an object off the ground with the use of a heavy object as a counter weight?

• Mr. Ellis

• pulley

• lever

• inclined plane

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

A wedge is two inclined plans together that meet at a sharp point on one end

• True

• False

• Mr. Ellis

Spiral stairs include two types of simple machines

• screw and pulley

• wedge and lever

• Mr. Ellis and books

• screw and inclined plane

Tags

NGSS.MS-PS2-1

REMEMBER: Work (joules) = Force (Newtons) x Distance (meters)

It took the same amount of work, 20 joules, for Matthew to push a box up a 5-meter-long ramp. How many Newtons of force was needed to move the box?

REMEMBER: Work (joules) = Force (Newtons) x Distance (meters)

It took the same amount of work, 20 joules, for Matthew to lift the box up onto the 2-meter-long shelf. How many newtons of force are needed to lift the box?

Tags

NGSS.MS-PS2-2