Vocabulary
Motion and Speed
Forces
Miscellaneous
Net Force
100
A push or pull on something.
What is force?
100
If a car travelled 120 miles in 2 hours, what is it's average speed?
What is 6 miles per hour?
100
Mrs. Swabb rolled a marble across the floor to Mrs. Santilee. What force started the ball rolling? (balanced force, unbalanced force, gravity, friction)
What is an unbalanced force?
100
Which of the following is an example of balanced forces? A. Sitting on a chair B. Kicking a soccer ball C. An apple falling onto the ground D. A rocket taking off
What is A - Sitting on a chair
100
What is 700 N?
200
Force that acts on an object when it rubs against another object or material.
What is friction?
200
If a runner is going around a track at a constant speed, is it accelerating? Explain why.
What is yes, because it is changing direction.
200
This is the force that acts on a space shuttle as it accelerates toward Earth.
What is gravity?
200
Which of the following forces slows objects down?
A. Friction B. Gravitational C. Magnetic D. Unbalanced
What is Friction
200
You and your brother are pushing a car with a dead battery with forces of 20 N and 25 N in the same direction. What is the net force applied on the car?
What is 45 N?
300
An interaction between a moving object and air molecules.
What is air resistance?
300
Give an example of velocity
What is anything with speed and direction?
300
Friction is a force caused by___________.
What is surfaces rubbing against one another?
300
Look at the picture on the board, is this an example of constant speed, slowing down, speeding up or at rest?
What is speeding up?
300
baby deer is trying to run for the first time. It is running with 50 N of force to the left. The mother deer is helping the baby to the left with a force of 25 N. What is the net force for the deer?
What is 75 N?
400
The amount of matter in an object.
What is mass?
400
What is needed to give a boulder acceleration?
A large force that changes the boulders speed/direction.
400
A pushing force created by particles in the air that acts against gravity.
What is air resistance?
400
What two factors affect the strength of a gravitational force?
What is mass and distance?
400
A brother is pulling a toy from his sister with a force of 6 N. The sister is pulling back with a force of 8 N.
Who gets the toy?
What is the net force?
What is the sister and 2 N?
500
A measure of the gravitational force between an object and the Earth.
What is weight?
500
What is the equation used to find the speed of an object?
What is distance divided by time?
500
A tool used to measure the force needed to move an object.
What is a spring scale?
500
If an object has more mass, then it takes ___________ force to move it.
What is more?
500
What letter is used as the unit of measurement when calculating Force?
What is the letter "N"?