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Published byTyrone Hardy
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What is net force?
All the forces acting on an object
If the forces acting on an object are going in the same direction, you would _________ them together to get the net force.
If the forces are acting on an object are going in opposite direction to each other, you would _________ them together to get the net force.
What is inertia?
The tendency of an object to resist a change in its motion
The greater the mass of an object will ______ its inertia.
What is weight?
The force of gravity on a person or object on the surface of a planet
How can we increase acceleration of an object?
Decrease its mass Increase force
What is friction?
The force that one surface exerts on another when the two rub together
What is rolling friction?
Occurs when an object rolls over another objectExample: bike tire on a road
What is free fall?
Occurs when the only force acting on a falling object is gravity
Air resistance is a form of __________
The Law of Universal Gravitation states ____________________
Any two objects in the universe are attracted to each other
What is the formula for momentum
Mass x velocity
What is force?
A push or pull on an object
How can you increase momentum?
Increase the velocity (speed) of the objectIncrease the mass of the object
What is mass?
The amount of material (matter) in an object
How can you increase friction?
Make the surfaces rougherExample: sand on an icy sidewalk
What is gravity?
The force that pulls objects toward earth
What is Newton’s third law and give an example.
For every action there is an equal and opposite reactionExample: a hammer hits a nail and the nail exerts a force back on the hammer
If forces on an object are balanced,
The object will never change its motion (move)
If the forces on an object are unbalanced,
There will be a change in the objects motion
What is the formula that describes Newton’s 2nd law of motion?
Acceleration = net force x mass
What are two factors that affect gravitational pull?
Mass of the objects The distance between the objects
On the arrow below, what does the point of the arrow indicate?
The direction of the force
On the arrow below, what does the length of the arrow indicate?
The strength of the force
In what direction is the net force acting?
To the left
From what direction must force be applied so that forces are balanced?
To the left
If a third force is applied to the object, in what direction will the object move?
Up and to the left
The Nature of Force Chapter 10 section 1.
FORCES Mrs. Cholak.
STUDY GUIDE ANSWERS Popham 6 Science Ms. Browne. 1. WHAT IS A FORCE? A force is a push or pull There are two main types of forces balanced and unbalanced.
FORCE Chapter 10 Text. Force A push or a pull in a certain direction SI Unit = Newton (N)
Student Text Pages Guided Reading and Study Worksheet
Friction Gravity Newton’s Laws Momentum Forces.
Mrs. Wharton’s Science Class
Force and Gravity.
Define force What is the difference between a balanced force and unbalanced force? What is the net force? How do you combine forces?
Chapter 2 – sections 1, 2, and 3 vocabulary 1.Force – a push or a pull exerted on an object 2.Unbalance force – a nonzero net force, which changes an object’s.
A push or pull on an object Total amount of force applied to an object.
JEOPARDY Force and motion. Force Motion 2 Motion 2 Newton’s Laws Newton’s Laws of Motion of Motion Newton’s Laws Newton’s Laws of Motion 2 of Motion 2.
Lesson 3 Reading Guide - Vocab
Forces & motion 2012.
Chapter 3 Forces.
Resistance of an object to a change in its motion inertia.
Chapter 2 - Forces Lesson 1 – The Nature of Force.
FORCES Ch.10 “May the Force be with You”. I. Force All forces are exerted by one object on another object. All forces are exerted by one object on another.
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