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Newton's Laws
Test Description: Review of Forces, Gravity, Friction, and Newton's Laws of motion
Instructions: Answer all questions to get your test result.
1) The tendency of an object to resist a change in motion
A
Gravity
B
Laziness
C
Inertia
D
Friction
2) A measurement of the amount of gravity acting on an object
A
Mass
B
Weight
C
9.8 m/s/s
D
Friction
3) The direction of the friction force
A
Opposite the motion
B
Up
C
Toward Earth
D
East
4) Find the weight of an astronaut that has a mass of 62kg.
A
300 kg
B
600N
C
100.44N
D
233.74N
5) Find the weight of the the 62kg astronaut on the moon. g=1.62m/s/s
A
600N
B
100.44N
C
233.74kg
D
300N
6) Find the speed of a .5kg ball that falls for 7s. Ignore air resistance.
A
68.6 m/s/s
B
68.6 m/s
C
4.9 m/s
D
4.9 m/s/s
7) The amount of matter in an object
A
kilograms
B
projectile
C
mass
D
weight
8) What does the Law of Universal Gravitation say?
A
For every action there is an equal and opposite reaction
B
Force = mass x acceleration
C
All objects in the universe are attracted to each other because of their mass
D
An object in motion will stay in motion unless acted on by an outside force
9) Define Force
A
mass and distance
B
strength and roughness
C
a push or a pull
D
strength and direction
10) Forces that act in the same direction are
A
added
B
balanced
C
unbalanced
D
subtracted
*select an answer for all questions
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