What is the force which makes objects pull toward each other.
100
What is potential energy?
What is object's stored energy
100
What is friction?
What is a force that acts when two surfaces rub together
200
The change in one object's position compared with another object's position.
What is relative motion
200
What is the unit used to measure force and who is it named after?
What is Newtons (N) after Sir Isaac Newton
200
How gravity and other forces act depends on three things?
What is mass, distance, and motion of the objects
200
What is kinetic energy?
What is the object's energy in motion
200
The amount of friction depends on . . .
What is surface and how hard the object's are pressed together
300
If you were going to describe velocity what two things does it combine.
What is speed and direction
300
Which object would require the least amount of force to move and which object would require the most force to move.
Bowling ball, golf ball, table tennis ball (ping-pong ball), soccer ball
What is table tennis ball - bowling ball
300
The force of gravity is stronger if objects are __________.
What is close together
300
A person is holding a wind up toy. They wind the toy and then let it go. Which part has potential and which part has kinetic energy.
What is winding it has potential and then releasing has kinetic
300
What are some ways to reduce friction?
What is use oil, wax, smoother surface, ball bearings
400
What is the motion of a guitar string being plucked
What is back and forth (vibration)
400
What happens if balanced forces are applied to a moving object?
What is the object keeps moving at the same speed and direction
400
What can you do to an object to make the force of gravity stronger?
What is increase the mass and shorten the distance
400
In a wrecking ball how does energy change forms.
What is when it held up in the air it has potential and when it is released it has kinetic
400
What is the difference between contact force and noncontact force? Give an example of each.
What is Contact means to touch and noncontact does not touch.
a golf club hitting a golf - contact
gravity and magnetism - noncontact
500
If a car goes around a curve at the same speed it was traveling when it was going straight, this is an example of ...
What is acceleration
500
If two people each push equals masses, who pushes it the farthest?
What is the one who pushed with more force
500
How is mass and weight different?
What is mass is the amount of matter in an object. Weight is the measure of the force of gravity acting on the object's mass.
500
____________ is the ability to move something. How do I know that it has been done?
What is work - a change happens
500
What happens to the force of gravity between two objects when the mass of one of the objects increases?