Worksheets!Simple Machines!
Total questions: 10
Worksheet time: 10mins
which of the following is a not a simple machines :
what is a simple machine ?
(a)
What is the Mechanical advantage of a Lever ?
Load x Effort
Effort x Load
Load / Effort
Effort / Load
A Compound Machine is
Only made of one simple machine along its particles
Doesn't have any simple machine along its particles
Has one or more than one simple machines along its particles
How many simple machines are there? {!write in words!}
(a)
Which simple machines can create energy ?
Levers
Pulley {movable or fixed}
Machines cannot create energy
Wedge
Gears
Choose the wrong one :
Load point
Effort point
Wheel
Resistance
Load arm is shorter in {format of answer is : XX - class lever}
(a)
Choose the incorrect formula :
Length of the plane / height of the plane
Work = force / distance
Eoad / effort
Input energy = output energy
A bar is used to raise a 1200 N stone. The pivot (fulcrum) is placed 30.0 cm from the stone {see fig}.
The worker pushes 2.50 m from the pivot.
What is the mechanical advantage
25 / 3
9 / 4
7293
