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WorksheetsPotential, Kinetic, and Mechanical Energy
Total questions: 20
Worksheet time: 14mins
Energy due to motion is ____________ energy.
thermal
sound
kinetic
potential
The faster the object moves, the _______ kinetic energy it has.
less
more
equal
none of the above
At which point is the potential energy the greatest?
W
X
Y
Z
A 0.5 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy?
14 J
15 J
16 J
17 J
A 2000 kilogram car is moving at a speed of 20 m/s. How much kinetic energy does the car have?
200.000 J
400.000 J
600.000 J
800.000 J
The diagram shows a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy?
1
2
3
4
A 50 kg person walks from the ground to the roof of a 70 m tall building. How much gravitational potential energy does he have at the top of the building? (g = 10 N/kg)
35.000 J
30.000 J
17.500 J
15.000 J
Energy and Work are measured in ______
Kilograms
Newton
Joules
m/s
How can I gain potential energy? (choose 2 answers)
Run a mile
Climb a mountain
Walk up the stairs
Go down the stairs
How can we increase the gravitational potential energy of the car?
Take the interior out of the car so that the car has less mass.
Strap a boulder to the car so that it weighs more.
Keep the length of the hill at 50 m but only 5 m tall.
Keep the hill at 10 m tall but increase the length of the hill so that the car has farther to roll.
Kinetic energy depends on
mass and height
height and speed
mass and force
mass and speed
The sum of potential energy and kinetic energy equals
total energy
work
transformation
mechanical energy
The equation to find kinetic energy is
KE = 1/2mv2
KE = mgh
KE = ma
KE = Fd
A 70 kg runner has a velocity of 5 m/s. Her kinetic energy is
175 J
875 J
350 J
1750 J
A 5 kg ball is lifted 12 m above the ground. It's gravitational potential energy is ______ (Note: g = 10N/kg)
60 J
600 J
17 J
2.4 J
The equation for gravitational potential energy is
PE = mgh
PE = Fd
PE = 1/2mv2
PE = ma
What is the mechanical energy of the roller coaster?
50 J
2500 J
1000 J
100 J
At which point is the kinetic energy the greatest?
W
X
Y
Z
A cliff diver with a mass of 100 kg jumps off a high cliff, at a height of 10 m he is moving at 15 m/s. What is his MECHANICAL energy?
Note: ME = KE + PE
g = 10 N/kg
10.000 J
11.250 J
16.250 J
21.250 J
What was the Kinetic energy of the car at near the bottom of the hill if the car still had 10 J of Potential energy?
10
50
90
100
