2.8: Newton's 3rd Law

Quiz by Justin Viss

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16 questions
• Q1
Which of the following are a Newton's 3rd Law pair?
You hold a book against the wall. You apply a force to the book and the book applies a force on you.
You hold a book against the wall. You apply a force to the book and the wall applies a force on you
You hold a book against the wall. You apply a force to the book and the wall applies a force on the book
You hold a book against the wall. You apply a force to the book and the book applies a force to the wall.
30s
• Q2
Which of the following is a Newton's 3rd Law Pair?
The Earth pulls down on you, and you pull up on the earth.
The Earth pulls down on you, and you push down on the Earth
The Earth pulls down on you, and the floor pushes up on you
30s
• Q3
Is the following situation a Newton's third law pair? A small car tows a large truck and they speed up. The truck pulls back on the car and the car pulls on the truck.
Yes, it is a third law pair
No, it is not a third law pair
30s
• Q4
Is this a newton's third law pair? Billy pushes Johnny and causes Johnny to fall down. Johnny exerts a force on billy and billy exerts a force on Johnny.
No
Yes
30s
• Q5
A car is pulling on a truck. The forces between them are a Newton's third law pair. The car slows down. What can be said about the forces between the two?
The force of the car on the truck is still the same as the force of the truck on the car
The force of the car on the truck is now larger than the force of the truck on the car.
The force of the car on the truck is now smaller than the force of the truck on the car
30s
• Q6
A bug hits the windshield of a car. Which force is greater?
The force of the bug hitting the windshield
The force of the windshield hitting a bug
They are equal forces
30s
• Q7
When a windshield collides with a bug, the force felt by both the bug and the windshield is the same. Which experiences a greater acceleration?
The bug
The windshield
They experience the same acceleration
30s
• Q8
Kent Budgett is pulling upon a rope that is attached to a wall. In the bottom picture, Kent is pulling upon a rope that is attached to an elephant. In each case, the force scale reads 500 Newton. Kent is pulling ...
With more force when the rope is attached to the elephant
With more force when the rope is attached to the wall
With the same force in each case
30s
• Q9
When a bullet is shot from a gun, the force experienced by the bullet is____________________ the force experienced by the gun
Less than
Equal to
Greater than
30s
• Q10
You are pulling on a rope in a tug of war match. What is the reaction force?
The rope pulling on you
The other team pulling on you
Gravity
The other team pulling on the rope
30s
• Q11
An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...
The grip of the archer's hand on the bow
Air resistance against the bow
The arrow's push against the bowstring
30s
• Q12
A player throws a baseball. The action force is the player's impact on the ball. The reaction force is...
The force of the ball on the player
The force of the grip of the ball
The ball flying forward
The ball hitting someone else's glove.
30s
• Q13
A baseball player bats a ball with a force of 1,000N. The ball exerts a reaction force against the bat of..
1000N
More than 1000 N
Less than 1000 N
30s
• Q14
What is the reaction force of a foot pushing down on the floor?
The floor pushing back against the foot
The floor breaking to the foot
The foot going through the floor.
30s
• Q15
If the force acting on two objects is the same, the acceleration of the objects will also be the same
False
True
30s

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