I can't Force you!
Net forces
May the force be with you!
Push it!
Pull it!
100
How does the mass of an object affect the amount of friction?
The greater the mass, the greater the friction.
100
Calculate the net force with the direction
60 N Right
100
The amount of matter in an object
Mass
100
A push or a pull is called a:
Force
100
When a baseball player successfully hits the ball, it travels out into the playing field. What type of force is exerted on the ball by the bat? How is the force classified?
applied, contact force
200
An object will not change its motion unless a/an _____acts on it.
unbalanced force
200
Forces acting on an object that do not cause the object to move are called_____________ .
balanced forces
200
___________forces acting on an object cause the object to move.
Unbalanced forces
200
The unit used to measure force
Newton (N)
200
2 people are playing tug of war. Person A pulls to the left with a force of 80 N. Person B pulls to the right with a force of 100 N. What is the net force on the rope? If it moves, in what direction?
20 N to the right
300
Cyrus tried to move his dresser in his bedroom. The dresser was difficult to move on the carpet. Which force acted against him?
Friction
300
According to the Universal Law of Gravitation, which factors will INCREASE attraction? Must name 2.
Increasing the mass of the objects OR decreasing the distance.
300
Sum of all forces acting on an object is called ___________.
net force
300
With increase in distance gravitational force________
decreases
300
What is force?
A push or pull
400
A book is sitting on a shelf. Gravity is acting on the book. Which force opposes gravity and keeps the book on the shelf without moving through it?
Normal
400
What is the net force on the box? Force and direction.
5 N to the right
400
If these teams are pulling with the same amount of force what will happen?
They will not move at all
400
In which direction does friction act?
Opposite the motion.
400
Which force is the result of charged particles?
Electrical
500
Must answer both: Gravity and Magnetism are both non-contact forces. How are they similar AND how are they different?
Both attract, but magnetism can attract and repel.
500
A box full of toys is on a table and is not moving. The force of gravity is 25N. What is the normal force acting on the box of books?
25 Newtons up
500
When forces are ________the net force acting on an object is 0N.
balanced
500
Explain how the poles of magnets attract or repel.
Opposite poles attract and same/similar poles repel.
500
2 equal forces are acting on an object in opposite directions. Describe the forces and the object's motion.
Balanced/ no motion