Forces Flashcards
(19 cards)
What Can a Force Change?
Speed
Shape
Position
What Is the Unit of Forces?
The Newton (N)
Is Gravity a Pulling of Pushing Force?
Answer: Pulling
Is Reaction Force a Pulling or Pushing Force?
Answer: Pushing
If an Object follows Hooke’s Law, Will the graph points all line up exactly?
Answer: Yes
Are All Forces Pushes or Pulls?
Answer: Yes
What Force Occurs When Objects Are Touching?
Answer: Contact Force
Name a type of Contact Force
Answer: Air Resistance, Water Resistance and Friction
What Force occurs when objects are not touching?
Answer: Non-Contact Force
Name a type of Non-Contact Force
Answer: Gravitational Force, Electrostatic Force and Magnetic Force.
What is the Scientific Word for Weight?
Answer: Mass
What is the Scientific Word for Gravity?
Answer: Weight
What does it mean if Forces are in Equilibrium?
Answer: It means they are equal or balanced
When is friction caused?
Friction is caused when and object is moving over another object. For Example: There is friction between the wheels of a car and the road.
What is another name for reaction force?
Normal Force
What will happen if forces are not balanced?
If forces are not balanced, then the object will move.
What happens to a spring when it goes past its elastic limit?
It stops acting like a spring.
What is another word for lift?
Upthrust
What can streamlining help with?
It will reduce air resistance and/or water resistance.