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Force And Motion 9-1
Test Description: 9-1
Instructions: Answer all questions to get your test result.
1) If you wanted to increase the gravitational force between objects, which one of the following methods would work?
A
increase the mass of the objects
B
decrease the mass of an object
C
eliminate one of the two objects
D
move the objects further apart from each other
2) which of the following is not a non- contact force?
A
electrical force
B
gravitational force
C
magnetic force
D
applied force
3) which of the following is the only non- contact force altered by changing the masses of the objects creating the force?
A
gravitational
B
applied
C
electrical
D
magnetic
4) What is the name of the force that opposes motion between objects?
A
applied
B
gravitational
C
frictional
D
electrical
5) Which contact force is it called when you push on an object and it moves?
A
frictional
B
gravitational
C
normal
D
applied
6) You are sitting on a chair, gravity pushes you down. The floor pushes back with an equal force. What is this type of balanced force called that keeps you in place?
A
applied force
B
electrical force
C
normal force
D
magnetic force
7) What happens when you have objects which have the same charges are brought together?
A
they will attract themselves
B
They will repel themselves
C
potential energy will increase
D
they will become attached
8) What are the two main types of forces?
A
Elastic and gravitational forces
B
Kinetic and potential forces
C
Contact and non- contact forces
D
mass and acceleration forces
9) When a roller coaster stops at end of the ride at the brake station, which force causes the ride to stop moving?
A
normal force
B
electrical force
C
magnetic force
D
frictional force
10) Which law creates the idea that all objects with mass will attract all other objects with a mass?
A
Conservation of mass
B
Conservation of energy
C
Universal gravitation
D
Universal studios
11) You fly on a rocket to outer space, where you no longer feel the force of gravity. What is the reason why you do not have gravity when moving to space from the surface of earth?
A
Distance- you are now farther from the surface of earth
B
mass- the earth is less massive when you are in space
C
mass- you have lost all your mass when going to space
D
distance- you are now closer to earth
12) What is the name of the force that two surfaces exert on each other when they rub against each other?
A
friction
B
electrical
C
magnetic
D
gravitational
13) which of the following is not a non- contact force
A
magnetic
B
gravitational
C
electrical
D
applied
14) Which of the following is the unit for force?
A
Meters per second
B
Joule
C
Grams
D
Newton
15) The law that states that all objects that have mass create a force that attract all other objects that have mass
A
law of conservation of energy
B
law of conservation of mass
C
newton's laws of motion
D
law of universal gravitation
16) The farther apart two objects are, the _______ the force of gravity the two objects produces between each other
A
smaller
B
faster
C
equal
D
greater
17) An object creates a force when the object accelerates. Which of the following would not cause a change in the force on an object?
A
changing direction
B
speeding up
C
staying in the same position
D
slowing down
18) For what reason would you have a smaller force of gravity on you when you are standing on the moon vs standing on Earth?
A
distance- you are further from the moon than when on Earth
B
Mass- the moon has more mass than the Earth
C
distance- you are closer to the moon than the Earth
D
Mass- the moon has less mass than the earth
19) What evidence from the list proves that Gravity is a non- contact force
A
when you jump in the air, gravity will pull you back down
B
gravity only works when you are touching the other object
C
The Earth has to be in contact with the sun to create a gravitational force
D
Pluto is no longer considered a planet
20) Which of the following would be the greatest force from the forces listed below?
A
100 N
B
50 N
C
25 N
D
0 N
*select an answer for all questions
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