WorksheetsGrade 7 Technology: Simple Mechanisms Term 3
Total questions: 15
Worksheet time: 8mins
The (a) is the point at which a lever pivots
This image is an example of a:
The following is an example of a 2nd class lever:
A baseball bat
Wheelbarrow
Scissors
________ refers to how much a simple machine multiplies an applied force.
Output
Mechanical Advantage
Fulcrum
Example of third-class lever is _____
Scissors
Wheelbarrow
Pliers
Human arm
When you turn a doorknob, you are using which simple machine?
Lever
Pulley
Wheel and Axle
Screw
When using a shovel to dig a hole, which simple machine is involved?
(a)
Which simple machine helps you open a bottle cap?
Lever
Pulley
Wedge
Screw
How does a compound machine differ from a simple machine?
It has multiple parts working together.
It is more complicated to use.
It has more than one mechanical advantage.
It is only used in industry.
What type of simple machine is a ramp used for loading heavy objects into a truck?
Lever
Inclined plane
Pulley
Load
Work = force x _______________
energy
height
distance
sunlight
Incline planes.....
are sloping surfaces
make our life easier
use less effort but more distance
all of the above
Which statement is correct?
Inclined plane: enables us to moves the objects from one level to a higher level
Gear: Separates, cuts, holds, and stops objects
Screw: Helps to lift up and moves objects easily
Pulley: Moves and rotates objects
Which simple machine is involved when you use a wrench to turn a bolt or nut?
Pulley
Lever
Screw
Inclined plane
