
Simple machines
Quiz by Jill Ungaro
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13 questions
Show answers
- Q1How can you increase the efficiency of an inclined plane?increase its frictionleave the friction the samereduce its friction30s
- Q2How many inclined planes can a wedge have?any number1030s
- Q3What is the main difference between a wedge and an inclined plane?no differencean incline plane moves but a wedge does nota wedge moves but an incline plane does not move30s
- Q4what are the two jobs of a screw?make objects falllift or fasten objects30s
- Q5Do machines reduce work?yesno30s
- Q6A wheel barrow is an example of which class of lever?1st3rd2nd30s
- Q7A fishing pole is an example of which class of lever?2nd1st3rd30s
- Q8The claw of a hammer is used as which class of lever?2nd3rd1st30s
- Q9What is the mechanical advantage of single fixed pulley?1230s
- Q10What is the mechanical advantage of a single movable pulley?2130s
- Q11Length of Incline divided but the height of the incline is the formula of the mechanical advantage for which simple machine?wheel and axleinclined planelever30s
- Q12The diameter of a wheel divided by the diameter of an axle is the formula for the mechanical advantage ofinclined planewheel and axlelever30s
- Q13The effort distance divided by the resistance distance is he formula for the mechanical advantage ofwheel and axleleverinclined plane30s