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Magnetism and Newton's first and second laws quizizz

Total questions: 26

Worksheet time: 35mins

Name
Class
Date
1.

If you increase the force on an object, assuming its mass stayed the same, its acceleration __.

a)

decreases

b)

stays the same

c)

also increases

d)

stops

2.

F=MA
If you are pushing a 2 kg car at 1 m/s2, how many newtons of force would that be? 

a)

3 N

b)

1 N

c)

2 N

d)

.5 N

3.

What Unit do we Measure Force? 

a)
Newtons
b)
Joules
c)

meters/sec

d)

pounds

4.

F=Ma
An object of mass 2kg is observed to accelerate at the rate of 3 m/s2.  Calculate the force required to produce this acceleration. 

a)

1.5 N

b)

6 N

c)

1 N

d)

5 N

5.
What happens when unbalanced forces act on an object at rest?
a)
the object remains at rest
b)
the object begins moving in an unpredictable direction
c)
the object begins moving in the direction of the net force
d)
the object begins moving opposite to the direction of net force
6.

If you increase the mass on an object, assuming the force stays the same, its acceleration __.

a)

decreases

b)

stays the same

c)

also increases

d)

stops

7.
A resistance to a change in motion is 
a)
acceleration
b)
inertia
c)
gravity
d)
velocity
8.
The amount of inertia an object has depends on its 
a)
speed
b)
volume
c)
mass
d)
length
9.
If equal forces are applied to an object that has a mass of 35g and an object with a mass of 40g, which object is going to accelerate the most?
a)
the 35g object
b)
the 40g object
c)
they will accelerate the same amount
d)
neither object will accelerate
10.

According to Newton's second law a Force is equal to what?

a)

mass / volume

b)

force * speed

c)

acceleration * mass

d)

mass * velocity

11.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
12.
True or False: All metals are attracted to magnet.
a)
True
b)
False
13.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
14.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
15.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
16.
If you increase the force on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
17.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
18.
If you increase the mass on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
19.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
20.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
21.

As distance between two magnets increases, the amount of magnetism _.

a)

also increases

b)

decreases

c)

stays the same

d)

depends on the gravity

22.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
23.

Which has the MOST inertia?

a)
b)
c)
d)
24.

Objects with greater _________ also have greater inertia.

a)

speed

b)

mass

c)

force

d)

friction

25.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
26.

Inertia refers to ___________

(select all the apply)

a)

the tendency of moving objects to remain in motion

b)

the force which keeps moving objects in motion with a constant velocity

c)

the force that keeps stationary objects at rest

d)

the tendency of stationary objects to remain at rest

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