Force
Newton's Laws
Universal Forces
Calculations
Other Vocab
100
This is the definition of a force.
What is a push or a pull that acts on an object.
100
The reaction force of a child pushing down on a trampoline.
What is the trampoline pushing up on the child?
100
How a charged particle reacts to a particle that has the same charge.
What is it is repelled?
100
The force it takes to cause a 10 kg object to accelerate at 3.5 m/s/s.
What is 35 N?
100
A force that opposes the motion of objects that touch as they move past each other.
What is friction?
200
The SI unit for force.
What is the Newton?
200
The tendency of an object to resist changes in its motion.
What is intertia?
200
The force that keeps the protons and neutrons in the nucleus.
What is the strong nuclear force?
200
The momentum of a 20 kg object traveling at 50 m/s.
What is 1000 kgm/s?
200
The friction force that acts on objects that are not moving.
What is static friction?
300
The sum of all the forces on an object.
What is net force?
300
The results of an unbalanced force on an object.
What is acceleration?
300
The only force that can both attract and repel.
What is the electromagnetic force?
300
The acceleration of a 100 kg object with an unbalanced force of 250 N.
What is 2.5 m/s/s?
300
The curved path of an object that is in freefall after being given a forward velocity.
What is projectile motion?
400
When all the forces on an object do not cancel out.
What is unbalanced force?
400
The equation involved in Newton's 2nd law.
What is F = ma?
400
This force is involved in the radioactivity of some atoms.
What is the weak nuclear force?
400
The momentum of a 1200 kg car traveling at 88 km/s after it has come to a stop.
What is 0 kgm/s?
400
The constant speed of a falling object when the force of air resistance equals the force of gravity.
What is terminal velocity?
500
The force diagram for a book sliding across a desk to the right after it has been pushed.
What is (gravity, table, friction)?
500
How an object in motion will act if NOT acted upon by an unbalanced force.
What is in a straight line at a constant speed?
500
If the distance between two objects doubled, this would be the amount the force of gravity would decrease.
What is by 1/4?
500
The weight of an object that has a mass of 35 kg.
What is 343 N?
500
A center-directed force that continuously changes the direction of an object to make it move in a circle.
What is centripetal force?
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