WorksheetsWORK, ENERGY & POWER
Total questions: 20
Worksheet time: 15mins
Work done = Force x _________
a. distance
b. acceleration
c. velocity
d. displacement
S.I unit for WORK is
Newton
Joule
Watt
meter
Which of the following is the best example of work being done:
doing homework
lifting a box
pushing a stationary box
holding a box
What position has the least amount of potential energy?
W
X
Y
Z
A stretched rubber band represents what type of potential energy?
gravitational potential energy
elastic potential energy
chemical potential energy
kinetic potential energy
At which position does the child on the swing have the most gravitational potential energy?
W
X
Y
Z
When a rubber band is stretched and then released, energy conversion is from
Elastic Potential to Gravitational Potential
Kinetic to Elastic Potential
Kinetic to Gravitational Potential
Elastic Potential to Kinetic
The area under a force vs. displacement graph tells you the
mass of the object
momentum of the object
work done on the object
impulse of the object
If you pull the trolley vertically upwards using a crane. Which force do you use to calculate the work done?
Weight
Pulling force
The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?
mechanical to heat
sound to mechanical
potential to kinetic
kinetic to potential
SI unit for POWER is
Watts
Joules
Newtons
Horseriding
If you do the same work as someone, but you took shorter time to complete the work, it means:
You are more powerful
You are less powerful
You have the same power
If you increase your work and decrease your time, you will have
more power
less power
same amount of power
power rating can not be determined
