# HOS 3/4 Simple Machines Review 2023

## Quiz by Julesklettke

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26 questions
• Q1

Simple machine with a bar that moves on a fulcrum

pulley

wedge

lever

30s
• Q2

Two inclined planes attached to each other

wedge

screw

pulley

30s
• Q3

Force of attraction between two objects

potential energy

gravity

inertia

30s
• Q4

Simple machine with a rope around a grooved wheel

wheel and axle

screw

pulley

30s
• Q5

A force caused by objects rubbing against each other

pull

friction

motion

30s
• Q6

Inclined plane wrapped around a cylinder

wedge

lever

screw

30s
• Q7

A flat surface with one end higher that the other

inclined plane

pulley

lever

30s
• Q8

A property of matter that does not want to change motion of an object

friction

inertia

gravity

30s
• Q9

Place where ball has greatest potential energy?

middle of ramp

top of ramp

bottom of ramp

30s
• Q10

Place where ball has greatest kinetic energy?

top of ramp

middle of ramp

bottom of ramp

30s
• Q11

Which are the  the best examples of inclined planes?

ramp, stairs, hill, slide

see saw, knife, wheel

spinner, car, bike

30s
• Q12

Which ramp would you use to lift a heavy load up a ramp?

a taller ramp

a longer ramp

a shorter ramp

30s
• Q13

What happens when a marble is placed on higher and higher ramps?

the ball will roll slower and lees far

the balls will not move

the ball will roll faster and farther

30s
• Q14

Name this Simple Machine

pulley

screw

lever

30s
• Q15

Name this Simple Machine

lever

pulley

wheel and axle

30s

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