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WorksheetsMechanical Energy
Total questions: 15
Worksheet time: 48mins
What is stored energy due to position above the ground?
kinetic energy
potential energy
thermal energy
nuclear energy
What is energy due to motion?
kinetic energy
potential energy
thermal energy
nuclear energy
What is the sum of kinetic energy and potential energy of a system?
mechanical energy
electrical energy
moving energy
nuclear energy
What is the formula for mechanical energy?
Ep = Ek + Em
Em = gv + (1/2)hm2
Em = Ek + Ek
Em = (1/2)mv2 + mgh
What has more kinetic energy, a 10kg ball moving at 13m/s or a 20kg box moving at 7m/s?
the 10kg ball
the 20kg ball
the 10kg box
the 20kg box
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 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
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
If Calvin has 400 J of gravitational potential energy as he is sitting at the top of a slide on the playground...
he will have 0 J of kinetic energy when reaches the bottom of the slide.
he will have 800 J of kinetic energy when he reaches the bottom of the slide.
he will have 400 J of kinetic energy when he reaches the bottom of the slide.
he will have 400 J of potential energy when he reaches the bottom of the slide.
The variable that has the greatest impact on an object's kinetic energy is its...
velocity
height
gravity
mass
