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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
Motion
C
Electricity
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
false
B
true
4) ____ slows things down on Earth
A
motion
B
inertia
C
gravity
D
friction
5) The greater an object's mass, the greater it's _____.
A
motion
B
inertia
C
volume
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
7N
B
12N
C
1.3N
D
1N
10) Calculate Force: M= 8kg a= 4m/s2
A
32N
B
4N
C
12N
D
2N
11) Calculate Force: M= 3kg a= 6m/s2
A
9N
B
2N
C
18N
D
3N
12) Calculate Force: M= 12kg a= 2m/s2
A
10N
B
6N
C
14N
D
24N
13) When you hit the brakes in the car, your body wants to...
A
stop
B
move backward
C
keep moving forward
14) Objects with larger mass require ____ force to start moving them.
A
the same
B
less
C
more
15) Objects require ____ force to keep them moving than to start them moving.
A
the same
B
less
C
more
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
faster
C
the same
18) a 33kg object will accelerate ____ than a 25kg object
A
the same
B
faster
C
slower
19) The floor you stand on _____ pushing back up against you.
A
is
B
is not
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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