Ideal Mechanical Advantage and Mechanical Advantage

This simple machine works so efficiently that there is no loss of energy due to friction or heat.

• ideal machine

• steam engine

• real machine

• lever

Which of the following would be a frictionless machine?

• ideal

• lever

• wheel and axle

• pulley

• wedge

This tells how much faster or easier a machine makes the work:

• efficiency

• mechanical advantage

• input force

• output force

Tags

NGSS.MS-ETS1-1

Mechanical advantage is the number of times a machine _____ the effort.

• multiplies

• reduces

• redirects

The decrease in effort that is needed to move an object is called _____ advantage.

• work

• machine

• inclined planes

• mechanical

Tags

NGSS.MS-ETS1-1

____________ ____________ is the ratio of output force divided by input force.

What is the mechanical advantage of a machine that allows you to lift a 100 kg object with a force of 25 kg?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS2-2

the amount of help or advantage gained by using a simple machine​ ​ ​ ​ ​ (a)  

• Mechanical Advantage

• Load

• Lever

• Wheel and axle

• Inclined plane

• screw

Tags

NGSS.MS-ETS1-2

Mechanical advantage is a measure of how much a machine multiplies the input

• efficiency.

• force.

• power.

• work.

Tags

NGSS.MS-ETS1-1

What is mechanical advantage?

• The advantage a machine has over a bicycle

• A measure of how much a simple machine reduces work

• A measure of when is the best time to use a simple machine

• the number of times a machine increases input force

Tags

NGSS.MS-PS2-2