Show:
Vocab
Force
Balanced forces and Unbalanced
Newtons' Laws of Motion
Kinetic and Potential
100
What is the vocav word of this definition : the ability to do work
Energy
100
a book is placed on a ramp, and it slides down.A brick is placed on the same ramp, and it does not slide down . What is the MOST LIKELY reason that the brick does not slide down the ramp?
Friction
100
When is it clear that balanced forces are acting on an object?
The object's motion stops
100
Is this definition the first , second or third law of Newton's laws of motion : For every action there is an equal and opposite reaction.
Newton's third law
100
what is the type energy of when a roller coaster going down a hill?
kinetic energy
200
what letter is the vocab word for this meaning;a force that is used to move an object through a distance is eather : A:work B:force C:speed
A:work
200
what is the definition of force?
a push or pull that acts on an object is force
200
if two people are playing taga war and one person gives 10N and the other person gives 20N will it be a unbalanced and balanced force and what will happen?
it will be a unbalanced force and the rope will go to the person that is pulling 20N.
200
When rocks are hit by a boulder or other falling rocks , they will move because of which law ?
The first law
200
a ability to cause motion and change; all of the potential and kinetic energy is?
mechanical energy
300
the speed and derection in witch an object moves is
velocity
300
a FORCE that causes an object its motion is ...
Unbalanced forces
300
Will a balance force move an object or keep an object at rest?
It will move an object
300
An object in motion will stay in motion unless acted on by a force. What law is this?
The first law
300
Is it potential or kinetic energy when a boy is about to slide down a slide .
Potential energy
400
Tendency of an object to resist change in its state of motion is ...
Inertia
400
What is a force that pulls objects toward each other ?
Gravity
400
Two people who have the same weight sit on a seesaw at equal distances from the center. Neither uses any force to push against the ground. which statement is true? A: The forces are unbalanced, and there will be movement B: The forces are balanced,and there will be movement C: The seesaw will break D: The forces are balanced , and there will be no movement
D: The forces are balanced , and there will be no movement
400
What is the meaning of Newton's second law of motion?
Acceleration depends on mass of object and force acting on it
500
Potential Energy- Stored energy (energy of waiting) because of its ________. What is the word to fill in the blank space?
Position
500
A water wheel is powered by pouring water into buckets on the outside of a wheel; what is the force that causes the water wheel to turn?
Gravity
500
A force that causes an object to change its motion is a Unbalanced force then what is the meaning of a balanced force
A balanced force is : Equal forces that combine to act on an object in opposite directions