Newton's Laws
Equations
Net Forces
Graphs
Force, Mass, Acceleration
100
We built a rocket car in class. This was done to study which of Newton's Laws?
Newton's 3rd Law.
100
What is the equation associated with Newton's Second Law?
F = m a
100
Friction is an example of (Gravity, Momentum, Balanced force or Unbalanced force)
Unbalanced force
100
What is the speed of this object during 4 & 6 seconds?
0 m/s or it's stopped.
100
An object with a mass of 10 kg is acceleration at a rate of 6 m/s/s. What is the amount of force?
60 N
200
We had a lab that pushed a car with different amounts of force. This was done to study which of Newton's Laws.
Newton's Second Law.
200
Using Newton's Second Law, what is the form of the equation to find acceleration?
a = F/m
200
What is the Net Force shown below?
400 N up
200
What is the speed of this object between 0 & 4 seconds?
2 m/s
200
An object has a mass of 18 kg. Its acceleration rate is 4.5 m/s/s. Find force.
81 N
300
A bowling ball is easier to push than a tennis ball. A car is harder to push than a grocery cart. Those statements reflect which of Newton's Laws.
Newton's Second Law.
300
Using Newton's Second Law, what is the form of the equation to find mass?
m = F/a
300
What is the Net Force resulting from the forces shown below?
200 N down
300
What is the type speed between 6 & 8 seconds? (no motion, constant speed away from the starting position, constant speed toward the starting position or acceleration)?
Acceleration
300
A 100 kg object accelerates at a rate of 2.5 m/s2. Find the force.
250 N
400
A NASA rocket taking off and a swimmer both are examples of moving because of which of Newton's Law.
Newton's Third Law.
400
What is the equation usually used for speed?
Speed = distance/time or s = d/t
400
What is the New Force resulting from the forces shown below?
20 N to the left.
400
Before coming to rest at 10 seconds, what is the speed of this object?
2 m/s
400
The acceleration of the object is 6 m/s2 and a force exerted on it is 12 N. Find the mass.
2 kg
500
A football sitting on the 50-yard line moments before the start of the game is an example of which of Newton's Law?
Newton's First Law.
500
What equation would you use for acceleration, other than Newton's Second Law?
500
A force of 200 N is pushing up on an object. Another force of 60 N is pushing down on the same object. What is the magnitude and direction of the net force?
140 N up
500
Before starting, how long is this showing that this object is at rest?
4 seconds
500
A force of 180 N is being exerted on an object with a mass of 60 kg. Find the acceleration of the object.
3 m/s2
600
Which of Newton's Laws explain that if Dr. T. pushes on a wall, the wall will push back on Dr. T.
Newton's 3rd Law
600
What are two equations that we have used for acceleration.
a = F/m or 
600
For an object in motion, moving in a straight line at a constant velocity, the forces are _____________.
balanced
600
Both object A and object B start at the same position. The speed of A increases from 10 m/s to 20 m.s. The speed of B remains constant at 10 m/s. Object A will move a _____________ (smaller, greater, same) distance than object B.
Greater
600
When the net force is greater than 0 N, forces are ______________ and the velocity of the object ________.
a) Balanced, does not change; b) unbalanced, changes; c) Balanced, changes; d) unbalanced, does not change.
Unbalanced, changes