Motion - Machines Word Scramble
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Question | Answer |
A push or a pull is called a: | Force |
What causes an upject to speed up, slow down, or change directions? | Force |
Forces that are equal and opposite are called: | Balanced Forces |
Forces that are not equal or opposite are called: | Unbalanced Forces |
Which type of forces causes a change in speed or direction? | Unbalanced |
Which type of forces do NOT cause a change in speed or direction? | Balanced |
What do we call the pulling force of the Earth on an object? | Gravity |
What do we call the pulling or pushing force created by electrons? | Electricity |
What do we call the push or pulling force around a magnetic field? | Magnetism |
What do we call the rubbing force that opposes motion? | Friction |
Which law of motion states "An object at rest will remain at rest and an object in motion will remain in motion, unless and outside force acts on the object"? | First Law |
What is the tendency of matter to resist a change in motion? | Inertia |
Which of Newton’s laws of motion discuss the relationship between mass, force, and acceleration? | Second Law |
What does Newton’s Third law of Motion state? | For every action there is an equal but opposite reaction. |
Which of Newton’s laws is demonstrated by blowing up a balloon and then letting it go? | 3rd Law |
Which of Newton’s laws is demonstrated when you feel pushed forward after a car has stopped suddenly? | 1st Law |
Which of Newton’s laws explains why more force is needed to push a grown up on a swing rather than a baby? | 2nd Law |
Newton’s second law of motion explains the relationship between what three things? | Force, Mass, Acceleration |
When a driver presses on the brakes, your bodies show ____ when they move forwards. | Inertia (1st law) |
When a force causes an object to move over a certain distance, we say ___ has been done: | Work |
is lifting up a box off the floor work? | YES |
Is standing while holding a heavy box work? | NO (no movement) |
What is the change in position of an object relative to another object? | Motion |
How is speed calculated? | Distance divided by time |
How is velocity different from speed? | Velocity includes a direction |
Is increasing your speed changing the velocity? | YES |
Is decreasing your speed changing velocity? | YES |
Is moving at a speed of 10 mph North changing your velociity? | NO |
Is making a turn changing your velocity? | YES |
What do we call a change in velocity? | Acceleration |
What are 3 ways to accelerate? | Increase speed, decrease speed, change directions |
How do we calculate work? | Force x Distance |
What can we use to measure forces? | Spring Scale |
What is the name of Newtons first law of motion? | Inertia |
What is the name of Newtons second law of motion? | Force = Mass x Acceleration |
What is the name of Newtons third law of motion? | Action - Reaction |
Created by:
sloanescience
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