Balanced and Unbalanced?
Net Force
Friction
Newton's 1st Law
Vocabulary
100
If Jaden pushes on a door with 100N of force and Aislynn pushes in the opposite direction with 100N of force, the door will not move.
Are these forces balanced or unbalanced?
Balanced Forces
100
Ms. Elegante pushes a box with 5N of force. Ms. Garvey pushes the box in the SAME direction with 10N of force.
What is the Net Force on the box?
15N of force
100
Bowling alleys put grease on the bowling lanes to help the ball move easier and more quickly down the lane. Does the grease on a bowling alley lane cause more or less friction?
It causes less friction.
100
Newton's Law states:
An object at rest will stay at rest and an object in motion will stay in motion unless acted on by an outside force.
100
What is the definition of balanced forces?
What is the definition of unbalanced forces?
Balanced forces are equal and do not cause motion
Unbalanced forces are unequal and do cause motion.
200
If a class plays tug of war and one side pulls with more force, the rope moves.
Are these forces balanced or unbalanced?
Unbalanced Forces
200
If Ms. Byrnes pulls on her desk with 10N of force and ms. Preszler pulls in the OPPOSITE direction with 10N of force, what is the Net Force on the table?
0N. The forces are balanced
200
Does an ice skating rink have more or less friction than a gravel road?
It has less friction.
200
Causes the movement of an object at rest.
An outside force
200
What is the definition of Friction?
Friction is the force of resistance that slows things down or keeps them from moving.
300
Ms. Fowler pushes her shopping cart down the aisle and it moves. Are these forces balanced or unbalanced?
The forces are unbalanced.
300
A student pushes on a cart with 20N of force. A student pushes back in the opposite direction with 10N of force. What is the net force on the cart?
10N of force
300
Does carpet have more or less friction than hardwood floor?
It has more friction.
300
Newton's First Law of Motion is also known as:
The Law of Inertia
300
What is the definition of Net Force?
The Net force is the total amount of force that acts on a an object.
400
If Ms. Stolaruk leans on a wall with 15N of force and the wall does not move, are the forces balanced or unbalanced?
Balanced
400
If net forces are 0N, are the forces balanced or unbalanced?
If net forces are more than 0N, are forces balanced or unbalanced?
If 0N, the forces are balanced.
If more than 0N, the forces are unbalanced.
400
If a soccer ball is rolling on the grass, what affect will friction have?
It will cause it to slow down and stop moving.
400
The tendency of an object to resist change is:
Inertia
400
What is the definition of a period of motion?
A period of motion is one cycle in a pattern of motion.
500
Describe an example of forces that are balanced.
Describe an example of forces that are unbalanced.
(Answers will vary)
500
If Ms. Garvey pulls on a rope with 50 N of force and Ms. Stolaruk joins her and pulls on the rope in the same direction with 50N of force, what is the net force on the rope?
100N
500
What is one example of friction in your everyday life?
(Answers will vary)
500
An object with forces of 10N down, 10N up, 65N left & 95N right has a Net Force of:
30N right
500
What is the definition of gravity?
Gravity pulls all objects towards the center of the Earth. It keeps objects from floating into space.