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WorksheetsUnit # 1 Work and Energy
Total questions: 22
Worksheet time: 56mins
What is the unit used to measure work?
Joule
Watt
Newton
Pascal
Then how much work is done if it takes 20N to move a box 10 meters
Kinetic energy is associated with ---.
speed
position
direction
temperature
Where is the roller coaster gaining potential energy?
A to B
B to C
C to D
The roller coaster is always losing potential energy
What is the S.I unit of work?
N.m2
(Kg.m2) / s2
J/m
J
In which scenario is work = 0 J ?
Pushing a stationary wall
Pulling a trolley car
Pushing a book across the table
Dropping a set of keys from a height, h.
The equation for KINETIC ENERGY is
KE = mass x gravity
KE = 1/2 height x speed
KE = mass2
KE = 1/2 mass x speed2
Odessa rubs her hands together quickly; she notices they get warm. What type of energy is this?
electrical energy
light energy
sound energy
heat energy
You throw a ball into the air as shown in the diagram. At what point does the ball have the most potential energy?
W
X
Y
Z
A stretched rubber band represents what type of potential energy?
gravitational potential energy
elastic potential energy
chemical potential energy
kinetic potential energy
Which object has elastic potential energy?
a hanging leaf
a burning coal
a rolling ball
a stretched bow
This type of potential energy can be found in rubber bands and springs.
Chemical
Elastic
Gravitational
