Force
Force Diagrams
Newton's Laws
Calculating Acceleration
Motion Graphs
100
A force caused by an object directly pushing on another object.
"APPLIED"
100
Send one member up to the board to draw the Force Diagram of the refrigerator
A refrigerator being pushed at a constant velocity:
100
According to Newton's First Law:
An object in motion will stay in motion unless acted upon by a(n) ___________ force.
"UNBALANCED"
100
What is the acceleration of a 300,000 kg jumbo jet just before takeoff when the net force on it is 30,000 N.
"0.1 m/s2"
100
A person runs a 100 m dash in 10 seconds at a constant velocity. What is the slope of the Position vs. Time graph?
"10"
200
A force that is directly proportional to the mass of the object it is acting on.
"GRAVITY"
200
Send one member up to the board to draw the Force Diagram of the football
A football after it has been kicked. Ignore air resistance:
200
Can an object accelerate if there is no net force acting on it? (Only one attempt)
"NO"
200
A baseball player needs to accelerate a 0.15 kg baseball at 160 m/s2. What force does the player need to apply to the ball?
"24 N"
200
Send one member up to the board to draw the X-Position vs. Time graph of the car:
A student is driving to school at 13 m/s for 60 seconds before they realize they left their physics homework at home. They tokyo drift a u-turn before heading back at -20 m/s.
300
A force that acts opposite the direction of motion, that applies only to objects that are moving.
"KINETIC FRICTION"
300
Send one member up to the board to draw the Force Diagram of the sled
A sled pulled by rope at an angle of 30 degrees. The sled is moving at a constant velocity:
300
According to Newton's 3rd Law:
Every action has a(n) ________ and _________ reaction.
"EQUAL" and "OPPOSITE"
300
Two football players are pushing a sled at a constant velocity. The sled experiences a kinetic friction force of 80 N. What is the applied force from each player?
"40 N"
300
Send a student up to the board to sketch the Velocity vs Time graph of the following Position vs. Time graph.
400
A force that is always perpendicular to a surface, which acts on an object touching that surface.
"NORMAL"
400
Send one member up to the board to draw the Force Diagram of the skier
A skier is accelerating down a hill with an incline of 30 degrees. Assume that they are travelling in the negative-x direction. Ignore friction:
400
Acceleration is inversely proportional to _________
"MASS"
400
A car accelerates at 5 m/s2 using a force of 7000 N. What is the mass of the car?
"1400 kg"
400
Send a student up to the board to sketch the Acceleration vs Time graph of the following Velocity vs. Time graph:
500
Of the two types of friction, this one has a higher maximum value. (Only one attempt)
"STATIC FRICTION"
500
Send one member up to the board to draw the Force Diagram of the rocket
A rocket being launched at a constant acceleration:
500
A 3000kg Tesla Cybertruck pulls on a 2400kg Ford F-150 with 60,000 N of tension.
With what force does the F-150 pull on the Cybertruck?
"60,000 N"
500
A 72 kg baseball pitcher in space throws a 0.15 kg baseball with an acceleration of 160 m/s2. What is the pitcher's acceleration backwards?
"0.333 m/s2"
500
A student is driving to school at 13 m/s for 60 seconds before they realize they left their physics homework at home. They tokyo drift a u-turn before heading back at -20 m/s.
It takes the student 3 seconds to perform the u-turn, what is the average acceleration of the maneuver?
"-11 m/s2"