Force And Motion Practice Test Question Preview (ID: 56496)
Force And Motion.
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I am trying to push my car because I got a flat tire. As hard as I push the car will not move. Which statement is true?
a) This is an example of static friction.
b) This is an example of a balanced force.
c) The gravity pushing down on the car gives it a Ton of weight so I can not move it.
d) all of the above
Which one could you do to increase friction?
a) Put the object on a more smooth surface
b) Add weight to the object
c) decrease the weight of the object
d)
When you bowled in class what type of friction did you demonstrate?
a) Rolling
b) sliding
c) fluid
d) static
Which one is affected by gravity?
a) mass
b) weight
c) both mass and weight
d) neither mass or weight
Since all objects on Earth have mass then all objects on Earth are affected by gravity.
a) true
b) False
c)
d)
The bigger the force you put on an object the faster it will move is an example of which law?
a) 1
b) 2
c) 3
d)
Inertia means the motion does not want to change. Which one of Newton's laws is the law of inertia?
a) 1
b) 2
c) 3
d)
Which statement is FALSE about gravity?
a) Gravity is a contact force.
b) Gravity makes objects get closer together.
c) Gravity makes objects slow down.
d) All of these statements are false.
Velocity is the speed and direction of an object.
a) true
b) False
c)
d)
Which one is a form of acceleration?
a) an object speeding up
b) an object slowing down
c) an object changing direction
d) all of the above
How many laws did Newton have?
a) 1
b) 2
c) 3
d) 4
You throw a ball against a wall and it comes back to your hand is an example of which law?
a) 1
b) 2
c) 3
d)
Gravity is pushing down on my desk with 10 N, The desk is pushing up on my book with 10 N. This is an example of which law?
a) 1
b) 2
c) 3
d)
what is the net force of a balanced force?
a) 1 newton
b) 5 newtons
c) 10 newtons
d) zero newtons
Which statement is true about net foces?
a) net forces are some of the forces acting on an object.
b) if the forces are in the same direction you will subtract them.
c) if the forces are in the same direction you will add them.
d) If the forces are in the same direction you will divide them.
Which statement is true about balanced forces?
a) they are equal
b) they are in opposite directions
c) they do not change the motion
d) all of the above
An object is in motion if the distance does not change from the reference point.
a) true
b) False
c)
d)
You are riding a bike to Dairy Queen. You are in motion if the reference point is the ring on your finger.
a) true
b) False
c)
d)
Which one is a force?
a) pushing a rock.
b) pulling on a rubberband
c) hitting a baseball
d) all of these
Forces are measured in the units watts.
a) true
b) False
c)
d)
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