1
As the amount of force on an object increases, the acceleration of the object________.
increases
What is kinetic energy?
What happens if two equal and opposite forces are applied to an object?
the object's motion does not change
Increasing the mass of an object will decrease its momentum.
True or False?
False
Velocity is measured using the ________and________ of an object.
speed, direction
When you press down on the trampoline, the trampoline gains ________.
potential energy
An object’s inertia depends on the ________of the object.
mass
If the drag forces are increased, then the object will fall ________.
more slowly
The skateboarder will not stop unless acted upon by ________.
balanced forces
The amount of kinetic energy an object has is related to its mass and ________.
speed
During a collision, some energy can be transferred into heat or ________.
sound
What is a non-contact force that acts over a distance and pulls all objects toward each other.
Gravity
Objects in motion tend to stay in motion because of the property of ________.
Inertia
How can the speed of a dropped ball be increased?
Increase the height from which it is dropped to give it more potential energy.
The law of conservation of energy states that energy cannot be ________ or ________.
created; destroyed
An object’s inertia depends on the ________of the object.
mass
When an object slows down or speeds up.
What happens during a roller coaster ride?
As the cars pull to the top of the first hill, the potential energy increases.
What is a force between surfaces that slows objects or stops them from moving.
Friction
Trampoline and compressed spring are examples of ________.
elastic potential energy