NEW
Font size
WorksheetsY10 Physics Energy
Total questions: 16
Worksheet time: 9mins
Which one of the following is true about energy?
Energy is destroyed due to frictional forces
Energy is the measure of the ability to do work
More energy is available when there is more power
Energy and power measure the same thing
Which of the following shows the formula for efficiency in %?
Efficiency = total energy / useful energy x 100
Efficiency = input energy / output energy
Efficiency = total energy / output energy x 100
Efficiency = useful energy / total energy x 100
What energy transformations are happening when a cat falls out of a tree and hits the ground?
Gravitational potential -> kinetic energy -> sound / heat / kinetic
Kinetic -> gravitational > sound / heat / kinetic
Gravitational -> spring
Kinetic -> heat/sound
The roller coaster cart has the most kinetic energy at position-
W
X
Y
Z
