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Newton's laws
By Mr Pike
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Last updated 3 months ago
15 questions
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What is Newton's first law of motion also known as?
Law of acceleration
Law of inertia
Law of force
Law of gravitation
In accordance with Newton's first law, an object at rest will remain at rest unless acted upon by an external force.
True
False
What does Newton's second law of motion state?
Force is equal to mass times velocity
Acceleration is directly proportional to force and inversely proportional to mass
Objects attract each other with a force proportional to the product of their masses and the square of their distances
Every action has an equal and opposite reaction
Newtons's third law implies that forces always occur in isolation.
True
False
In the formula F = ma, what does 'a' represent?
Area
Acceleration
Action
Force
Which of these options are accurate statements of Newton's laws?
Any object in motion will remain in motion unless acted upon by an external force
Force equals mass times velocity
For every action, there is an equal and opposite reaction
The force between two objects is equal to the product of their masses and the square of the distance between them
What is the unit of force as per Newton's Second Law?
Pascal
Joule
Newton
Watt
According to Newton's third law, if you push a wall, it pushes back with an equal and opposite force.
True
False
Which law explains why we move forward when a car stops suddenly?
Newton's First Law
Newton's Second Law
Newton's Third Law
None of the above
Which of the following examples show Newton's second law in action?
Kicking a football and it speeds up
A planet remaining in orbit
Pressing a spring down with force
A rolling ball stops on a level surface due to friction
If you are in space and push a spaceship, you will feel a push back. This is an example of Newton's second law.
True
False
Which law would explain why turning quickly in a car can throw passengers to the side?
Newton's First Law
Newton's Second Law
Newton's Third Law
None of the above
In order to increase the acceleration of an object, we must:
Increase the applied force
Increase the mass of the object
Decrease the applied force
Decrease the mass of the object
What quantity is conserved when the net force on an object is zero?
Acceleration
Momentum
Speed
Energy
Increasing the mass of an object increases the gravitational force it experiences. This is based on Newton's second law of motion.
True
False