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Newton's Laws
Newton's Laws
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Reinforcement of Newton's Laws #physics #newtonsslaws #7thgradescience
Flashcards
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Questions
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1
If the forces acting on an object are unbalanced, the net force is NOT _____.
zero
strong
normal
weak
2
A(n) ______________ is a push or pull.
force
momentum
newton
acceleration
3
A rocket taking off is an example of Newton's _____ Law.
Second
First
Third
4
If Luke hit the wall with his lightsaber, the equal but opposite reaction would be ____________
the wall pushes against the lightsaber
the wall pushes against Luke
Luke pushes against the lightsaber
the lightsaber pushes against Luke
5
A parachutist jumping out of an airplane is an example of Newton's ______ Law.
First
Second
Third
6
A hockey puck sliding across the ice is an example of Newton's _____ Law.
Second
First
Third
7
Everything gets pulled down toward the earth's center because of this force.
Electrical
Gravity
Normal
Friction
8
The scientist who came up with the three laws of motion
Einstein
Galileo
Copernicus
Newton
9
The tablecloth trick is an example of Newton's _____ Law
First
Third
Second
10
The speed and direction of a moving object
Acceleration
Inertia
Velocity
Momentum
11
The greater the ____ of an object, the more force it takes to move it.
size
mass
weight
momentum
12
When two objects rub against each other it creates this.
Acceleration
Normal force
Friction
Momentum
13
The effects of ___ forces cancel each other out and do not cause a change in motion.
weak
strong
zero
balanced