Vocabulary
Motion
Balanced and Unbalanced Forces
Investigations
Forces and Motion
100
A push or pull on something.
What is force?
100
If you were observing and measuring the motion of toy jumping frogs, you would know that the jumping frogs had moved because the frogs will have done this.
What is changed position?
100
Mrs. Reeder rolled a marble across the floor to Ms. Keesler. What force started the ball rolling? (balanced force, unbalanced force, gravity, friction)
What is an unbalanced force?
100
Examine the table below.
Four students threw a tennis ball in a game of wall-ball. Their teacher recorded how many seconds it took for the tennis ball to hit the wall of the building.
Which student threw the ball with the greatest force?
A. Shannon
B. Patrick
C. Jenny
D. Charles
What is D
100
The measure of the pull of gravity on an object.
What is weight?
200
Force that acts on an object when it rubs against another object or material.
What is friction?
200
In order to change the motion of objects, you would have to apply this, which is a push or a pull.
What is an unbalanced force?
200
When a large force is applied to an object, that object will have a significant change in its :
What is speed and/or direction. C
200
Give three ways you could cause a rolling marble to take a longer time to travel from one end of a table to another.
What is friction, lower ramp, obstacles such as clay or blocks, etc.?
200
The measure of how much matter is in an object.
What is mass?
300
What is Motion?
Any change in a person or object's position.
300
Which diagram correctly models moving the block ?
What is model 1 or A
300
Nathan and Tamara are pushing on opposite ends of a bookshelf. Nathan pushes with 17newtons of force to the left. Tamara pushes with 32 newtons (N) of force to the right. The bookshelfwill move to the __________ with a net force of ____________
A. left; 17N
B. right; 32N
C. right; 15N
D. left 49N
What is C
300
The first part of Newton's First Law of Motion states: An object at rest tends to _____ at ____ unless acted upon by an unbalanced _______.
What is remain, rest, and force?
400
Friction is a force caused by___________.
What is surfaces rubbing against one another?
400
When you push an object forward. What force is acting against you.
What is friction and gravity?
400
Which one is balanced?
A. Spring being stretched
B. Pencil on desk
C. Bicycle accelerating
D. Car putting on its brakes
B. Pencil on the desk
400
If Lanie is pulling a box with a force of 30 N, and Justin is pushing in the same direction with a force of 30 N, what will happen with the box.
A) The box will not move because the force is balanced
B) The box will move in the direction of the push and pull with a force of 60 N.
C) The box will move in the direction of the push with a force of 30 N
B) The box will move in the direction of the push and pull with a force of 60 N.
400
Which of the following scenarios describe a contact force? [Select only THREE choices]
A.Writing a name on a test paper.
B.Getting shocked at a doorknob.
C.Falling down while running in the yard.
D.Pedaling a bicycle around a neighborhood.
E.Magnets pushing other magnets across a table.
F. Stretching a rubber band around a stack of papers.
What is A, D, and F
500
This exists when all the forces acting on an object result in the object staying at rest.
What is balanced force?
500
Which of the following statements describes the effects of gravity on an object? [Select only TWO choices]
A. An object floats on the surface of the water.
B. A baseball falls to the ground after being hit.
C. Hands feel warm after being rubbed together.
D. The moon orbits the Earth.
E. When a car brakes, the driver's body leans forward and pushes against the seatbelt.
F. A space shuttle leaves Earth's atmosphere.
What is B and D ?
500
Mrs. Reeder's class and Ms Averett's 5th class challenged each other to a game of tug-of-war. Each class grabbed onto different ends of the long rope. Ms. Keesler blew a whistle and both teams began to pull and pull. Neither team could pull the other team over. Give a statement about the forces involved in the tug-of-war between the two 5th grade classrooms. "The forces were ___________ because _______________."
What is (something like) "the forces were balanced because the teams could not pull each other over"?
500
A student plans an experiment to test the effects on an object in motion. She measures the velocity of a ball traveling at a constant speed. She wants to use a collision from a second ball of equal mass to change the initial ball's motion. The first ball is traveling at 10 m/s.If the second ball strikes the first ball in a head-on collision at 5 m/s, the first ball will ______________________.
A.move forward at the same speed
B.move backwards at a slower rate
C.move forward at a slower rate
D.stop completely
What is C
500
Label the forces as C on NC
What is NC, C, NC, C