Forces
Weight
Newton's Laws
Friction
Accelerated Motion
100
This type of force happens when objects touch each other.
What is a contact force.
100
If you weigh 100 kg what is your weight on earth?
What is 981 N
100
This concept suggests that objects in motion will keep moving unless another force slows them down. (Not referring to one of Newton's laws)
What is inertia?
100
Friction opposes _____________.
What is motion
100
An object has an acceleration of 20 m/s/s and a mass of 15 kg. What force must be applied?
What is 300 Newtons?
200
This is the category of forces that gravity, magnetic, and electric forces belong in.
What is field forces.
200
If you have a mass of 500 grams what is your weight on earth?
What is 4.905 N
200
This law states that for every action there is an equal and opposite reaction.
What is Newtons third law.
200
This type of friction takes place when a stationary object attempts to move.
What is static friction.
200
An object is pushed with 1,000 Newtons of force and has a mass of 50 kg. What will it's acceleration be?
What is 20 m/s/s?
300
This type of force takes place when two objects are pushed together
What is a compression force.
300
If you weigh 100 N on earth but 250 N on another planet what does k equal on the planet?
What is 24.5 N/kg
300
Newton's second law states that acceleration is directly proportional to _____________.
What is force.
300
This is the type of friction that allows a receiver to catch a football.
What is kinetic friction.
300
This will be your velocity after 10 seconds if you have a mass of 200 kg and are pushed with a 500 Newton force.
What is 25 m/s?
400
This is the type of force that occurs when force in one direction is higher than the force in the opposite direction.
What is an unbalanced force.
400
On earth your weight is 1,000,000 milliNewtons. What is your mass?
What is 101.94 kg
400
This person discovered and first used the term "inertia".
Who is Galileo
400
This is the type of friction that allows a car to speed up on a freeway.
What is rolling friction
400
This must be your mass if you are pushed with a 100 N force and after 20 seconds are traveling at 40 m/s/s.
What is 50 kg?
500
This type of force takes place when objects are twisted.
What is a torsion force.
500
On earth your weight is 8,000 centiNewtons, what is your weight on a planet where k = 4.55 N/kg?
What is 37.1 Newtons
500
In order for Newton's first law to apply an object must be in this state.
What is mechanical equilibrium
500
In order to friction to apply the two objects must be in _____________.
What is contact.
500
This would be the force applied to an object if it has a mass of 20 pounds (1 pound = 0.45 kg) and after 10 seconds is traveling at 50 m/s.
What is 45 Newtons?
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