What is an objects change in position relative to a reference point?
What is motion?
100
What is a push or pull exerted on an object in order to change the motion of the object?
What is a force?
100
What is a force that opposes motion between two surfaces that are in contact?
What is Friction?
100
What is the force of attraction between objects that is due to their masses?
What is gravity?
100
What is the amount of matter in an object?
What is mass?
200
What is the speed of an object in particular direction?
What is velocity?
200
What is the combination of all forces acting on an object?
What is net force?
200
You need it so the tires of the car can touch the ground to make the car accelerate and brake.
Why do you need friction in order to drive a car?
200
What is the measure of gravitational force exerted on an object, it value can change with the location of the object in the universe?
What is Weight?
200
What is a newton(weight) and a kilogram(mass)?
What are the SI units for weight and mass?
300
What is total distance divide by total time?
How do you find average speed?
300
What is 10 Newtons?
What is net force of a boy pushing and object 6 Newtons east and another pushing the object 4 Newtons north?
300
What is friction that does not cause an object to move and friction that is formed between moving surfaces?
What is static and kinetic friction?
300
What is the Law of Universal Gravitation?
What are the ideas of Newton about gravity now known as?
300
What is 1/6 of Earth's gravitational force is the Moon's gravitational force?
What is gravitational force difference between the Earth and the Moon?
400
What is 2.14 meters a second?
What is the average speed of a person that swims 105 meters in 70 seconds?
400
What is D all of the above?
Which of the following may happen when an object receives unbalanced forces
A. the object changes direction.
B. the object changes speed.
C. the object starts to move.
D. all of the above.
400
What is to make the surfaces rougher and and to increase the force pushing two surfaces together?
What are some ways to increase friction?
400
Why is it that planets have different masses and they could be closer or farther away from the son?
Why is gravity different on other planets?
400
What is to add all of the forces up?
What is the way to determine Net Force?
500
What is final velocity minus starting velocity divided by time it takes to change velocity?
How do you find average acceleration?
500
What is balanced forces will not cause a change in motion and unbalanced forces produce a change in motion?
What is the difference between unbalanced and balanced forces?
500
What is to use lubricants (oil,grease) ,switching from sliding kinetic friction to rolling kinetic friction and to make surfaces smoother?
What are some ways to reduce friction?
500
We are 93 million miles away from the sun and the gravitational force on the Sun is so large that if you were on the surface you could not even move!
How far is the Sun from Earth and what is different about the gravity there?
500
What is a decrease in Velocity and an increase in Velocity?