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Duplicate of Newton's Laws

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Newton's 3 Laws in Grade 8 #physics #newton #3lawsofphysics

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Questions 11

Answers

1
If the force was 20N and it pushed a mass of 4 kg. What is acceleration of the mass?
0.005 m/sec2
0.005kg
5 m/sec2
5 kg
2
If f=mxa than...
a=f/m and m=a/f
a=m/f and m=f/a
a=f/m and m=f/a
a=m/f and m=a/f
3
What is inertia?
The tendency of a person to not change their velocity.
Gravity
Newtons 2nd law
Friction
4
20kg of weight are moving 13 m/sec². What is the amount of force used?
290N
260N
0.65N
1.5N
5
What is the third law called?
Motion
Inertia
Action, Reaction law
Gravity
6
A spinning coin is expected to...
continue spinning until acted upon by an unbalanced force
fall to a side and stop
stop
continue spinning for a while then gradually stop
7
What is the first law called?
Gravity
Inertia
there isn’t one
Action reaction
8
12N is used to move a object 2m/sec².What is the weight of the object?
600kg
60kg
1.7
6kg
9
What are the units for the force, mass, and acceleration
Grams, Kilograms, and Meters
Newtons, Grams, and Meters
Newtons, Kilograms, and Meters/second2
Newtons. Kilograms, and Meters
10
What is the action-reaction law?
For every reaction there is a equal and opposite reaction.
None of the above
For every action there is a equal and opposite reaction.
Inertia
11
Determine the opposite force in a water flyboard
fire goes down and people go up, more fire = go higher
The more water used the higher you go.
There isn’t one
The water goes down and the person goes up