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100

As the amount of force on an object increases, the acceleration of the object________.

increases

100

What is kinetic energy?

  1. the energy of a moving object
100

What happens if two equal and opposite forces are applied to an object?

the object's motion does not change

100

Increasing the mass of an object will decrease its momentum.  

True or False?

False 

200

Velocity is measured using the ________and________ of an object.

speed, direction

200

When you press down on the trampoline, the trampoline gains ________.

potential energy

200

An object’s inertia depends on the ________of the object.


mass

200

If the drag forces are increased, then the object will fall ________.


more slowly 

300

The skateboarder will not stop unless acted upon by ________.

balanced forces 

300

The amount of kinetic energy an object has is related to its mass and ________.


speed

300

During a collision, some energy can be transferred into heat or ________.

sound

300

What is a non-contact force that acts over a distance and pulls all objects toward each other.

Gravity


400

Objects in motion tend to stay in motion because of the property of ________.

Inertia

400

How can the speed of a dropped ball be increased?

Increase the height from which it is dropped to give it more potential energy.

400

The law of conservation of energy states that energy cannot be ________ or ________.

created; destroyed

400

An object’s inertia depends on the ________of the object.



mass

500

When an object slows down or speeds up. 

acceleration 


500

What happens during a roller coaster ride?

As the cars pull to the top of the first hill, the potential energy increases.

500

What is a force between surfaces that slows objects or stops them from moving.

Friction

500

Trampoline and compressed spring are examples of ________.


elastic potential energy