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WorksheetsPE and KE
Total questions: 20
Worksheet time: 2hrs 40mins
What is Energy?
The ability to do work or cause a change.
The ability not to do work or cause no change.
Definition of KE is ______________
the energy of static
the energy of motion.
An automobile is sitting on a hill which is 20 m higher than ground level. Find the mass of the automobile if it contains 362,600 J of potential energy.
1.850 J
1850 g
18 g
1850 J
Calculate the potential energy of a rock with a mass of 55 kg while sitting on a cliff that is 27 m high
14 J
1453 J
15453 kg
14553 J
Find the mass of a car that is traveling at a velocity of 60 m/s North. The car has 5,040,000 J of kinetic energy.
280 kg
28 kg
2800 kg
2.8 kg
Solve for h.
PE= 74 J
mass= 3.8 kg
gravity= 9.8 m/s2
height= ?
1.99 m
199
19.9 m
19 m
Kinetic energy can be calculated using the formula
KE = 1/2mv2. What is the kinetic energy of a bicycle that has a mass of 20 kg and is traveling at a velocity of 10 m/sec?
10 J
100 J
1000 J
10000 J
What is the kinetic energy of a 1,600kg Mustang travelling at 15 m/s (33mph)
180000 J
294 J
1225 J
3920000 J
A diver just before she dives off the 30m platform.
Potential
Kinetic
A swimmer in the middle of a 50 m race.
Potential
Kinetic
potential energy.
potential energy.
When does an object have no kinetic energy?
When it's at rest.
When it's moving very slowly.
When the only force that's acting on it is gravity.
When it has no electrical charge.
A book is sitting on a table. Which of the following actions would add to its potential energy?
Sliding it across the table
Opening it to the middle
Dropping it on the floor
Lifting it to a high shelf
Which of the following examples best demonstrates kinetic energy?
A brick lying on the ground
A kite flying across the sky
A television sitting on a table
A curtain hanging in the window
The illustration shows a wooden block being pulled up an inclined plane with a spring scale. What change in the experiment setup would require more force to pull the block up the inclined plane?
Using a much longer inclined plane
Pulling the wooden block more quickly
Reducing the mass of the wooden block
Increasing the height of the inclined plane
Choose the answer that has the most GRAVITATIONAL POTENTIAL energy
a bird flying 7 kmph 3 meters off the ground
a bird flying 7 kmph 6 meters off the ground
a bird flying 10 kmph 3 meters off the ground
What two factors affect kinetic energy?
mass
speed
height
mass and speed
mass and height
