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WorksheetsPhysics
Total questions: 20
Worksheet time: 14mins
What is a wedge? (complete answer)
Wedge is a simple machine that consists of 2 inclined planes that has sharp edges which helps in cutting/splitting objects
a tool that can cut things
a tool with 2 inclined planes
a tool for cutting things
The following consists of Simple Machines EXCEPT:
Inclined plane
Wedge
Fulcrum
Pulley
Meanings:
PE=
KE=
i=
f=
Powtensial energi, Kinetic energy, Identity, Force
Physical Energy, Kenetic energy, initial, final
Potential Energy, KaratE, Inital, Fulcrum
Potential Energy, Kinetic Energy, Initial, Final
A force that pushes things up
(a)
A force when an object moves through air
(a)
How to reduce friction?
Lubricants
By forcing it to move
Rollers
Smooth Surfaces
D/T is the formula for:
Speed
Converting Speed
Average Speed
Relative Speed
Types of pulley: (no need to add pulley at the end, no punctuation)
(a)
Thick black liquid hydrocarbon
ink
Oil
Black liquid
black dye
A force of 300N acts at a perpendicular distance of 2 m from the point. What will be the turning moment produced?
300 N/m
450 N/m
600 N/m
500 N/m
These are the types of Renewable energy EXCEPT:
biomass
wind
geothermal
coal
What is Renewable Energy?
(a)
What is Non-Renewable Energy?
(a)
Controlled reactions in which the nucleus of an atom is split (fission) or combined (fusion)
Coal
Oil/Petroleum
Nuclear
Natural Gas
the most abundant fossil fuel
(a)
The capacity for doing work
Labor
Energy
Work
Force
A force that causes rotation
Torque
Upthrust
Friction
Gravity
Formula for Converting Speed
(a)
A point about which something turns
Fulcrum
Moment
Pivot
Lever
A long bar that turns around a pivot/fulcrum
Lever
Bridge
Plank
Beam
