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Physics and Chemistry 3 ESO Unit 7. Newton's laws: gravitation. Initial quiz Flashcards | StudBud

Explore/Physics and Chemistry 3 ESO Unit 7. Newton's laws: gravitation. Initial quiz

Physics and Chemistry 3 ESO Unit 7. Newton's laws: gravitation. Initial quiz

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Questions 5

Answers

1
Mass is...
measured in N.
the same as weight.
measured with a scale.
measured with a dynamometer.
2
If no force is applied to a body at rest...
inertia also acts on the body.
the body stays at rest.
the body waits for some force to act.
the body moves sooner or later.
3
The force of gravity...
depends on the inverse of the distance between bodies.
is a repulsive force.
is responsible for all celestial motions.
does not depend on the mass of the bodies.
4
We measure forces in...
Metres per second (m/s).
Metres (m).
Newtons (N).
Kilograms (kg).
5
Which of these is a negative effect of friction force?
It allows people to move.
None of the above.
It allows writing.
It causes the erotion of stones and rocks.