Speed, Velocity, and Acceleration Balanced and Unbalanced Forces Newton's 1st Law of Motion Newton's 2nd Law of Motion Newton's 3rd Law of Motion
100
Motion is described as an object's movement.
Describe motion.
100
When balanced forces act on an object, the object does not move.
Describe what happens when balanced forces act on an object.
100
An object a rest will remain at rest until, and object in motion stays in motion at the same speed and in the same direction, unless acted upon by an unbalanced force.
What does Newton's 1st law state?
100
The second law states that the net force acting on an object is equal to the object's mass multiplied by its acceleration.
What does Newton's 2nd law state?
100
For every action, there is an equal and opposite reaction.
What does Newton's 3rd law state?
200
Speed is a measurement of how fast an object is moving, while motion describes how the object moves.
How is speed different from motion?
200
When unbalanced forces act on an object, the object tends to move in the direction of the greater force.
Describe what happens when unbalanced forces act on an object.
200
Inertia
An object's tendency to resist (not) change its state of motion is called ____________.
200
F= M x A
Force= Mass x Acceleration
What is the formula that is correlated to Newton's 2nd law?
200
the ball hits the bat
The bat hits a ball. What is the reaction force?
300
velocity; it provides the speed in a certain direction
Is 55 km./ hr. South an example of speed or velocity? Explain.
300
PAIRS!
Forces ALWAYS occur in...
300
Slows it down
What does friction do to a moving object?
300
24 Newtons
Solve the problem provided.

An object with a mass of 6.0 kg accelerates 4.0 m/s2 when an unknown force is applied to it. What is the amount of the force?
300
The chair pushes you up.
You sit in a chair. You push the chair down. What is the reaction force?
400
Speed= Distance/ Time
What is the formula used to calculate speed?
What is the formula used to calculate speed?
400
20 Newtons to the left.
There are two forces being exerted on a box. One force is pushing with 50 Newtons to the left and pushing with a force of 30 Newtons to the right. What is the net force and direction of the box's motion?
400
Mass
Objects with greater _________ also have greater inertia.
400
4 Kg
Solve the problem provided.

An object accelerates 5 m/s2 when a force of 20 newtons is applied to it. What is the mass of the object?
400
the same as
A bug hits a windshield. The force of the bug on the windshield is _______ the force of the windshield on the bug.
500
4.5 m/s
Use the speed formula (S= D/T) to solve the problem provided.

You arrive in my class 50 seconds after leaving math which is 225 meters away. How fast did you travel? Round to the nearest whole number.

500
0 Newtons; the object remains stationary.
There are two forces being exerted on a box. One force is pushing with 180 Newtons to the left and pushing with a force of 180 Newtons to the right. What is the net force and direction of the box's motion?
500
Easier
Objects with less mass are _____ to speed up or slow down.
500
3 meters per second squared
Solve the problem provided.

Jenny applies a 60 N force to a 20 Kg cart, what is the acceleration of the cart if friction can be neglected?
500
True!
True or False?

When you push on a wall, the wall pushes on you.




Unit 3: Force and Motion

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