Principles of Engineering

The equivalent resistance in this circuit is

• 100 ohms

• 450 ohms

• 400 ohms

• 30 ohms

What is the fixed point upon which a lever rotates?

• fulton

• fulcrum

• furmen

• falcon

What type of simple machine is shown here?

• Pulley

• Wheel and Axle

• Lever

• Wedge

Tags

NGSS.MS-PS2-2

Something similar to a see-saw that can lift an object.

• Wedge

• Screw

• Lever

• Wheel and Axle

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the formula for calculating mechanical advantage?

• F = w/d

• ma = Fr/Fe

• ma = F x D

• ma = M + A

What is the mechanical advantage of a simple machine if a force of 15 newtons lifts an object weighing 60 newtons?

• 2

• 45

• .25

• 4

Tags

NGSS.MS-PS2-2

The voltage dropped across the 300 ohm resistor is

• 6 V

• 9 V

• 2 V

• 30 V

What is a circuit that only has ONE path for electricity to flow?

• series circuit

• closed circuit

• parallel circuit

• light bulb

What is the fixed point upon which a lever rotates?

• fulton

• fulcrum

• furmen

• falcon

What is the formula for calculating mechanical advantage?

• F = w/d

• ma = Fr/Fe

• ma = F x D

• ma = M + A