Force and Motion
The definition of force is _____.
What is a push or a pull?
Newton's first law is known as the Law of ____.
What is inertia?
Newton's _____ law of motion relates acceleration to force and mass.
What is second?
When you paddle a canoe, the canoe goes forward. This is an example of which law?
What is Newton's third law.
Describe the equation you use to find the weight of an object.
What is Weight = mass * gravitational constant?
____ is the rubbing force that acts against motion between two touching surfaces.
What is friction?
The formula for average speed is _____.
What is speed = distance/time?
The SI unit for force is _____.
What is Newton?
If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?
Newton's 2nd law.
For a force on an object, there is an equal and opposite force. Which law is this?
Newton's third law of motion.
Acceleration is the rate of change in _____
What is velocity or speed?
True or false. Newton's first law of motion applies only to stationary objects
What is false
When the forces acting upon an object are unbalanced the object will ____.
What is accelerate?
After you start up your motorbike, as you give it more gas, it goes faster. This is an example of which law?
What is Newton's second law?
A magician quickly pulls a tablecloth off the table, and all the plates remain on the surface instead of moving with the tablecloth. This trick is done using Newton's ____ law of motion.
What is first?
The combined force of all forces acting on an object is ___ force.
What is net?
You sitting in a chair is an example of Newton's ___ & ____ Laws. (there are 2)
What is the first and third laws?
What two pieces of equipment will you use to determine the mass of an object?
What is a triple beam balance and a digital scale?
When an airplane takes off you tend to fall backward because of ______.
*friction
*inertia
*gravity
What is inertia?
As an ice skater pushes harder with his leg muscles, he begins to move faster. This is an example of which law?
What is Newton's second law?
The force that pulls objects down toward the earth is?
What is gravity?
In order to be _____ forces, their effects must cancel each other out and not cause a change in an object's motion.
What is balanced?
Who is the scientist that determined the laws of motion?
Who is Sir Isaac Newton?
Forces always act in equal and opposite pairs. Which law is this?
What is Newton's 3rd law?
When you are in space and do not experience any forces, your mass ________ and your weight ________.
What is remaining constant and becoming 0?
Friction force always acts in the ______ direction as the motion of the object.
What is opposite?
According to Newton's first law of motion, a moving object that is not acted on by an unbalanced force will ______.
What is remain in motion?
Describe the difference between mass and weight.
In a football game, two players tackle each other so hard that they both fly in opposite directions after they hit each other. What law of motion is this an example of?
Newton's third law
A student leaves a pencil on a desk and it stays there until I pick it up. What law is this?
Newton's first law