what forces are when the net force on an object is NOT zero
What is unbalanced forces
100
a push or a pull
What is force
100
a pulling force exerted on a material when it is stretched
What is tension force
100
If the net force is Zero then the forces are
balanced or unbalanced
What is balanced
100
This force makes it harder to ride a bike in the sand when compared to riding on the cement
What is friction
200
contact force that acts to resist sliding between two touching surfaces
What is friction
200
what forces are when the net force on an object is ZERO
What is balanced forces
200
the combination of all the forces acting on an object
What is net force
200
objects that resist their motion being changed would be which of Newton's Laws
What is Newton's 1st Law of motion
200
When you throw a football or hit a baseball, what force causes the ball to eventually fall to the ground
What is gravity
300
an attractive force between all objects that have mass
What is gravity
300
force one object exerts on another when they are not touching
What is noncontact force
300
law that states: all objects are attracted to each other and the force of attraction depends upon their masses and the distance between them
What is law of universal gravitation
300
A boy pulling a wagon would be a
contact force or a noncontact force
What is a contact force
300
When two cars collide, each car exerts an equal but opposite force on the other car causing the cars to go in opposite directions. Which of Newton's Laws is this
What is Newton's 3rd Law of Motion
400
the gravitational force exerted on an object
What is weight
400
law that states: if the net force on an object is zero, an object at rest remains at rest; or, if the object is moving, it continues to move in a straight line with a constant speed
What is Newton's 1st Law of Motion
400
force exerted by a material when it is stretched or compressed
What is elastic force
400
two factors that influence acceleration are...
What is force and mass
400
True or false: Color is a force
What is False
500
force exerted only when two objects are touching
What is contact force
500
a pushing force exerted on a material when it is SQUEEZED.
What is compression force
500
a force exerted by an object that is perpendicular to the surface of an object
What is normal force
500
Give an example of a force pair
Example- When you jump, you exert a force on Earth, and Earth exerts a force on you
Answers vary
500
True or false: Pushing your friend toward the door is a force