2D Motion (Trig.)
Free Body Diagrams
Newton's 2nd Law
1D Kinematics
Free Fall
100
What is a positive direction?
Right, Up, North, or East
100
What is net force?
The sum of all forces in a FBD
100
What is the formula for force?
F=mxa
100
What is the initial velocity if a car starts from rest?
0m/s
100
What is the initial velocity of an object in free fall before it is dropped?
0m/s
200
Name two negative directions.
Left, Down, West, or South
200
What is an object's resistance to change?
Inertia
200
What is the acceleration formula?
a=v/t
200
A plane travels 750 m while being accelerated uniformly from rest at the rate of 4.5 m/s2. What final velocity does it attain?
Vf2=Vi2+(2*a*x)
82.16m/s
200
What is acceleration due to gravity
-9.81m/s2
300
What is sin(θ)=?
opposite/hypotenuse
300
What is the name of the upward force acting on an object at rest on a table.
Normal force
300
What is the force exerted by an object if the mass is 12g and it is accelerating at 4m/s2?
F=m*a
48J
300
A bullet accelerates at 6.8 X 104 m/s2 from rest as it travels the 0.8 m of the rifle barrel. It is in the barrel for .005s. What velocity does the bullet have?
Vf=Vi+(a*t)
340m/s
300
What is the name of the FULL NAME of the physicist/astronomer that studied free fall?
Galileo Galilei
400
What is tan(θ)=?
opposite/adjacent
400
An object is experiencing a force of 120N to the left, and 200 to the right. What is the net force?
80N
400
What is the mass of an object whose acceleration is 6m/s2 and has a force of 12J?
F=m*a
2g
400
Starting from rest, a racecar moves 112 m in the first 7s of uniform acceleration. What is the car’s acceleration?
x=Vi(t)+(1/2*a*t2)
4.57m/s2
400
A ball is thrown at a speed of 10 m/s straight up into the air. What is the maximum height the ball reaches?
Vf2=Vi2+2*g*d
5.09m
500
SOH CAH TOA
32.5m
500
An object is experiencing a force of 749N to the left, and 255N to the right. What is the net force and which direction is the object traveling?
494N to the left
500
What is the force exerted by an object if the mass is 10g and has a velocity of 12m/s for 4s?
F=m*a
a=v/t
30J
500
A rocket traveling at 88 m/s is accelerated uniformly to 132 m/s over a 15-s interval. What is it's displacement during this time?
x=1/2(Vf+Vi)t
1650m
500
A ball is dropped from a 28m high bleacher. What is the balls velocity as it hits the ground?
Vf2=Vi2+2*g*d
23.4m/s