# Forces and Newton's laws (F Block)

## Quiz by Evan Nabel

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19 questions
• Q1
Which of Newton's laws states that an object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and in the same direction, unless acted upon by an external force?
Newton's Third Law
Newton's First Law
Newton's Second Law
Newton's Law of Universal Gravitation
30s
• Q2
Which of Newton's laws states that the force acting on an object is equal to its mass multiplied by its acceleration?
Newton's Third Law
Newton's Law of Universal Gravitation
Newton's Second Law
Newton's First Law
30s
• Q3
According to Newton's Third Law, for every action, there is an equal and opposite _______?
acceleration
reaction
mass
force
30s
• Q4
Which of Newton's laws states that for every action, there is an equal and opposite reaction?
Newton's First Law
Newton's Third Law
Newton's Second Law
Newton's Law of Universal Gravitation
30s
• Q5
Which of Newton's laws states that an external force acting on an object will cause the object to accelerate in the direction of the force, with the acceleration directly proportional to the force and inversely proportional to the object's mass?
Newton's Law of Universal Gravitation
Newton's Second Law
Newton's First Law
Newton's Third Law
30s
• Q6
According to Newton's First Law, an object at rest will remain at rest, and an object in motion will continue to move in a straight line with constant speed, unless acted upon by?
gravity
an external force
friction
air resistance
30s
• Q7
What is the equilibrium rule?
The net force acting on an object is zero when it is in equilibrium.
The net force acting on an object is always zero.
The net force acting on an object must be positive.
The net force acting on an object must be negative.
30s
• Q8
What is a free body diagram?
A diagram that shows the kinetic energy of an object.
A diagram that shows the velocity of an object.
A diagram that shows all the forces acting on an object.
A diagram that shows the trajectory of an object.
30s
• Q9
In a free body diagram, what does a downward arrow usually represent?
Gravity or the weight of the object.
Upward force pushing the object.
Friction acting on the object.
Air resistance affecting the object.
30s
• Q10
Which of the following is an incorrect statement about a free body diagram?
A free body diagram shows all the forces acting on an object.
A free body diagram represents the shape and size of an object.
A free body diagram is typically represented using arrows.
A free body diagram helps analyze the motion of an object.
30s
• Q11
In a free body diagram, what does a horizontal arrow usually represent?
The force of friction.
The force of gravity.
The normal force.
The force of air resistance.
30s
• Q12
What is static friction?
The force that increases an object's speed.
The force that slows down an object in motion.
The force that prevents an object from moving when a force is applied to it.
The force that pulls an object downwards.
30s
• Q13
What is the relationship between static friction and applied force?
The direction of static friction is opposite to the applied force.
Static friction remains constant regardless of the applied force.
Static friction increases with an increase in the magnitude of the applied force.
There is no relationship between static friction and the applied force.
Static friction decreases with an increase in the magnitude of the applied force.
30s
• Q14
Which of the following is an example of static friction?
A book resting on a table.
A rocket taking off into space.
A car skidding on a wet road.
A ball rolling down a hill.
A person sliding down a slide.
30s
• Q15
What is the coefficient of static friction?
The force that pulls an object downwards.
The force that slows down an object in motion.
The ratio between the maximum static friction force and the normal force.
The force that increases the speed of an object.
The force that opposes the motion of an object.
30s

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