Forces
Newtons 1st and Second law
Newtons Third Law
Miscellanous
100
Can cause a resting object to move, or it can accelerate a moving object by changing the object’s speed or direction
What is a Force?
100
Made scientific discoveries through careful observation and logical reasoning.
Who is Aristotle?
100
__________is the product of an object’s mass and its velocity
What is momentum?
100
_______is a measure of the inertia of an object
What is Mass?
200
Is the force that causes a 1-kilogram mass to accelerate at a rate of 1 meter per second each second (1 m/s2).
What is a Newton?
200
Studied how gravity produces constant acceleration
Who is Galileo?
200
whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object.
What is Newtons 3rd law of motion?
200
Fluid friction acting on an object moving through the air is known as
What is Air resistance?
300
When an _________ force acts on an object, the object accelerates, and when the forces on an object are ______________, the net force is zero, and there is no change in the object’s motion.
What are unbalanced, and balanced forces?
300
First defined mass and force.
He then introduced his laws of motion
Who is Sir Issac Newton?
300
The force your bumper car exerts on the other car is the _______were as the force other car exerts on your car is the ____________.
What is an action force and reaction force?
300
______ the tendency of an object to resist a change in its motion.
What is Inertia?
400
is a force that opposes the motion of objects that touch as they move past each other and the four types.
What is Friction and sliding, fluid, static, and rolling?
400
__________ the state of motion of an object does not change as long as the net force acting on the object is zero
What is Newton’s first law of motion?
400
In a __________, the loss of momentum of one object equals the gain in momentum of another object— momentum is conserved
What is a closed system?
400
Momentum is measured in__________.
What is kilogram-meters per second?
500
What is static Friction?
500
An automobile with a mass of 1200 kg accelerates at a rate of 3.0 m/s2 in the forward direction. What is the net force acting on the automobile?
What is F = m/a = 1200 kg × 3.0 m/s2 = 3600 N?
500
According to the _______, if no net force acts on a system, then the total momentum of the system does not change
What is law of conservation of momentum?
500
___________is a measure of the force of gravity acting on an object
What is weight?
600
_________ is the constant velocity of a falling object when the force of air resistance equals the force of gravity
What is Terminal velocity?
600
According to_____________ , the acceleration of an object is equal to the net force acting on it divided by the object’s mass
What is Newton’s second law of motion?
600
1.A stationary figure skater pushes off the boards around an ice skating rink and begins gliding backward, away from the boards. Which law explains why the figure skater moves backward?
a.the law of conservation of energy
b.the law of inertia
c.Newton’s second law
d. Newton’s third law
D. Newtons 3rd Law
600
Is the motion of a falling object after it is given an initial forward velocity.
What is projectile motion?