WorksheetsWork, Power, and Energy
Total questions: 13
Worksheet time: 14mins
The SI unit of work
Joules
Watts
Newtons
meters
The SI unit for power
Watts
Joules
Newtons
Meters
Gravitational potential energy depends on the ________ and ________ of the object.
Height and mass
Spring constant and Distance away from equilibrium
Mass and Velocity
Height and Friction
A student with a mass of 62 kg walks up a flight of stairs with a height of 3.4 meters. How can he decrease his power?
walk slower
walk faster
carry his friends books
A student with a mass of 62.0 kg walks up a flight of stairs with a height of 3.40 meters. If it takes him 7.00 seconds to get to the top, how much power did he generate?
295 W
2070 W
86.8 W
295.12 W
Kinetic energy depends on the ________ and ________ of the object.
Height and Mass
Spring constant and Distance away from equilibrium
Mass and Velocity
Height and Friction
Definition: the transfer of energy that occurs when a force moves an object
power
energy
work
Efficiency
If the amount of time to takes to move a box up the stairs decreases, what happens to power?
decreases
increases
stays the same
If the amount of time to takes to move a box up the stairs decreases, what happens to the amount of work?
decreases
increases
stays the same
Energy of Motion
kinetic
potential
power
efficiency
