WorksheetsForces of Change
Total questions: 26
Worksheet time: 17mins
Gravity is a
contact force
noncontact force
The greater the force acting on an object, the _________________
greater the acceleration.
the less the acceleration.
acceleration stays the same.
Units of force are measured in ______.
newtons (N)
distance
height
If ______ forces are equal, then they are balanced.
opposing
unbalanced
Ice is considered a smooth surface, because it has ________ friction.
more
less
What is the speed of a runner who runs 400 meters in 40 seconds?
10 meters/second
40 meters/second
100 meters/second
1,600 meters/second
An automobile you are riding in suddenly stops, why does your body continue to go forward?
An object in motion stays in motion.
Gravity pulls your body towards the earth.
Friction makes your body slow down.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
The cart that weighs 5 kg.
The cart that weighs 10 kg.
The cart that weighs 12 kg.
The cart that weighs 15 kg.
When an object resists change, like a body in a turning car, it is called ________________.
inertia
force
friction
drag force
What is energy?
moving energy
stored energy
renewable energy
The ability to do work.
What is potential energy?
moving energy
stored energy
renewable energy
non renewable energy
What is kinetic energy?
moving energy
potential energy
stored energy
renewable energy
Two factors that determine work are
force
acceleration
mass
distance
velocity
units for work are
newtons
joules
meters
seconds
if you push a cart with a force of 60 N for 2 m... how much work have you done
120 J
30 J
120 N
30 N
At which point of the roller coaster is potential energy the greatest?
W
X
Y
Z
The faster an object moves, the ________ kinetic energy it has.
more
less
