The slope of a Position - Time graph represents this quantity
Velocity
A box is pushed across the rough floor at a constant speed. What is the net force on the box?
0 N
What are the units of momentum?
kg xx m/s
or
N x s
Two Lines intersect on a Velocity - Time graph. What conclusion can be drawn about the objects at this moment?

Objects are moving at the same velocity
An object is moving to the left, but slowing down. What direction is the acceleration vector pointed?
Acceleration is pointed to the right
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Draw the FBD for a box at rest on an incline of 30o

Two carts stick together after a collision. What type of collision is this?
Inelastic
A student's experimental acceleration is consistently smaller than the theoretical value. What's one possible reason why?
Friction / air resistance not included in model
Ray Allen releases a game-winning 3 pointer. At the top of the trajectory, what is ax?
ax = 0 m/s2
A baseball bat hammers a baseball out of the park for a grand slam. Which object experienced more magnitude of force - the bat or the ball?
They experience the same magnitude of force.
Third Law Pairs
A semitruck and tiny car collide. Which experiences a greater impulse?
They experience the same impulse but in different directions
What is one way you can always reduce experimental error?
Conduct more trials
FREE POINTS ON AP EXAM!!An ice cream truck is moving along a 20.0 m/s. It then accelerates for 5.00 seconds at 8.00 m/s2. What distance would the truck travel in this time interval?
200 m
Looking at the system below, would the contact force be greater pushing to the left or the right?

Pushing to the right
A force - time graph is give for a collision. How could a student determine the change in momentum of the object?
Finding the area under the Force - Time graph
Sneak Peek to Energy:
The archers all fire arrows with the same initial velocity, rank the final arrow speed before hitting the ground assuming no air resistance from greatest to least:

C = E > A > B = D
Below a PT graph is given. Sketch both the VT graph and the AT graph.


Looking at the system below, if m2 is increased, how would the acceleration of the system change?

Acceleration would decrease
Cart A collides into a stationary Cart B. Cart A sticks to Cart B and they travel at 1/4 the velocity that Cart A originally had. What is the weight of Cart B in relation to the Cart A?
Three times as heavy (3ma = mb)
Students derive the following relationship between the mass (C) of a cart, the acceleration (a) of the system, and the total mass (M) of the cart with additional weights as:
C = M - (Ma)/g
If the students plot the mass of the cart C vs the acceleration of the system a, what would the slope of the graph be given by?
Slope = -M/g