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Honors Physics Newtons Laws Flashcards | StudBud
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Honors Physics Newtons Laws
Honors Physics Newtons Laws
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1
Joe pushes a box with a force of 7N right and Bob pushes right with a force of 10N. Net force =
3 N left
17N right
17 N left
3N right
2
An object will accelerate when
Net force = 0
Its mass decreases
Its mass increases
It is pushed with a non-zero net force
3
If there is no acceleration then:
the net force is zero
there must be no forces acting on the object
the net force is greater than zero
the net force is negative
4
If the force on an object doubles, the acceleration
doubles
quadrupples
halves
does not change
5
A 5kg iron ball and a 10kg iron ball are dropped. With no air resistance the acceleration of the heavy ball is
less than the lighter one
the same as the lighter one
cannot be determined
more than the lighter one
6
Mass and acceleration are directly proportional
True
False
7
Which of these free body diagrams could represent a pizza resting on the table?
3
2
4
1
8
You punch the wall with a force of 500 N. The wall hits you with:
more than 500 N of force
exactly 500 N of force
cannot be known with this information
less than 500 N of force
9
If the mass of an object doubles, the acceleration
does not change
halves
doubles
tripples
10
______ is a contact force between objects that slide or tend to slide past another
Friction
Gravity
Weight
Mass
11
If a net force of 10 N is applied to a 5kg object, what is its acceleration?
15 m/s2
2 m/s2
50 m/s2
5 m/s2
12
If a 50 N person is to fall at a constant rate, the air resistance needed is:
50 N
less than 50 N
more than 50 N
cannot be determined
13
The type of friction acting between objects when at least one of them is moving
static friciton
flowing friction
electric friction
kinetic friction
14
A diagram showing all the forces acting on an object is called a
Free body diagram
Net force picture
pictogram
force display portrait
15
As the net force on an object increases, the acceleration
decreases
stays the same
increases
16
Which of these free body diagrams could represent a box sliding to the right with friction?
2
1
3
4
17
Friction acts in the same direction of the movement
False
True
18
A book rests on the table. Choose the action reaction pair:
The book pulls on the Earth, the Earth pulls on the book
The book pushes on the table, the book pulls on the Earth
The table pushes on the book, the Earth pulls on the Book
19
As surface area increases, pressure
does not change
decreases
increases
20
A massive truck collides with bicycle. The force experienced by the bicycle is:
less than that experienced by the truck
the same as that experienced by the truck
greater than that experienced by the truck
21
Which of these free body diagrams could represent a box sliding to the left on a frictionless surface?
1
2
4
3
