19660820
Description
Flashcards by Alexa Samuels, updated more than 1 year ago
|
Created by Alexa Samuels
about 6 years ago
|
|
| Question | Answer |
| What is a push or pull exerted on matter? | Force |
| Force: | Gives motion to matter in a given direction. |
| Matter will _____ when force is applied. | Accelerate;(Speed up, Slow down, or Change direction;) |
| What will motion be in the direction of? | Force |
| Forces are indicated with a: | Vector (arrow) that has magnitude (value) and direction |
| What is a push or a pull an example of? | Common Forces |
| What force causes an object to go back to its original shape? | Elastic Forces |
| What is an opposing force created when matter touches or rubs against other matter? | Friction |
| What is an inward pulling force that causes matter in outer space to form spheres? | Gravity |
| What force is the combination of all forces acting on an object? | Net Force |
| What are the two things that Net Force does? | 1. Determines whether the object moves; 2. Determines which direction the object moves in; |
| What direction will an object move? | The direction of the greatest force. |
| If an object moves, the forces are _____. | Unbalanced |
| If an object does not move, the forces are _____. | Balanced |
| What is the sum of balanced forces? | 0 |
| If the Net Forces equal zero, the object has a _____. | State of Equilibrium |
| What forces do not equal zero? | Unbalanced Forces |
| Net force does not equal zero, so _____. | A change in velocity or acceleration will occur |
| When is the motion of an object in a state of equilibrium? | When it is at Rest or in a Constant State of Velocity |
| The longer the arrow: | The stronger the force |
| Draw the arrow in the direction of the _____. | Force |
| What label do you write for each force arrow? | (N) Newtons |
| If values are given, arrows going in the opposite direction must be _____ from each other to find the net force. | Subtracted |
| Arrows going in the same direction must be _____ to each other to find the net force. | Added |
| Newton's Second Law explains: | The relationship between force, mass, and acceleration |
| If mass does not change, an increase in _____ will cause an increase in _____. | Force, Acceleration |
| If force does not change an increase in _____ will cause a decrease in _____. | Mass, Acceleration |
| What is the formula for force? | Force (N) = Mass (kg) * Acceleration (m/s ²) F = MA |
| The direction an object travels in a given amount of time is: | Speed |
| Speed in a given direction is: | Velocity |
| What is the formula for speed? | Speed = Distance/Time S = D/T |
| What is the formula for velocity? | Velocity = Distance/Time V=D/T |
| What do the formulas represent? | The average speed; (Total distance/ Total Time) |
| The change in speed in a given amount of time is: | Acceleration |
| Acceleration is how long it takes to: | Speed Up, Slow Down, or Change Direction |
| What are the standard units for acceleration? | m/s/s or m/s ² |
| What is the formula for acceleration? | Acceleration = Vf - Vi/T |
| A train is resting on a track when another train with several more cars bumps into it and causes it to move 10 meters forward. This is an example of acceleration because: | an unbalanced force causes the train to keep moving. |
| A student conducts an experiment where he drops two balls off a table to determine the force of impact. The ball with a larger mass makes a bigger dent in the sandpit than the ball with the smaller mass. This describes Newton's Second Law because: | increasing the mass of a moving object increase the force exerted. (F = ma) |
| A dog is chasing you at a speed of 10 m/s to the west. You are running away from him at a speed of 8 m/s to the west. This scenario describes velocity because: | velocity is speed with a direction. |
Want to create your own Flashcards for free with GoConqr? Learn more.