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Motion Forces LC3, 4, 5 Review
Test Description: Newton's Laws
Instructions: Answer all questions to get your test result.
1) Newton's 1st law is the Law of _______.
A
Inertia
B
Electricity
C
Motion
2) Inertia is an object's tendency to _______ a change in motion
A
want
B
resist
3) An object in motion always wants to slow down
A
true
B
false
4) ____ slows things down on Earth
A
gravity
B
inertia
C
friction
D
motion
5) The greater an object's mass, the greater it's _____.
A
volume
B
inertia
C
motion
6) Objects with less mass will require less force to move.
A
false
B
true
7) If equal force is applied to 2 objects with different masses, both will accelerate the same.
A
true
B
false
8) If equal force is applied to 2 objects with different masses, which will accelerate faster?
A
The object with more mass
B
The object with less mass
9) Calculate Force: M= 3kg a= 4m/s2
A
1N
B
1.3N
C
12N
D
7N
10) Calculate Force: M= 8kg a= 4m/s2
A
32N
B
2N
C
4N
D
12N
11) Calculate Force: M= 3kg a= 6m/s2
A
2N
B
18N
C
3N
D
9N
12) Calculate Force: M= 12kg a= 2m/s2
A
6N
B
10N
C
14N
D
24N
13) When you hit the brakes in the car, your body wants to...
A
move backward
B
stop
C
keep moving forward
14) Objects with larger mass require ____ force to start moving them.
A
more
B
the same
C
less
15) Objects require ____ force to keep them moving than to start them moving.
A
more
B
less
C
the same
16) a 50kg object will accelerate ____ than a 25kg object
A
slower
B
the same
C
faster
17) a 5kg object will accelerate ____ than a 25kg object
A
slower
B
the same
C
faster
18) a 33kg object will accelerate ____ than a 25kg object
A
the same
B
slower
C
faster
19) The floor you stand on _____ pushing back up against you.
A
is not
B
is
20) The chair you sit on _____ pushing back up against you.
A
is
B
is not
*select an answer for all questions
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