Newtons 3rd Law
Two people pull on a rope in a tug-of-war. Each pulls with 400 N of force. What is the tension in the rope?
400N
A person is attracted towards the center of Earth by a 440-N gravitational force. The force with which Earth is attracted toward the person is
440N
A woman weighing 550 N sits on the floor. She exerts a force on the floor of
550N
A karate chop delivers a blow of 2300 N to a board that breaks. The force that acts on the hand during this feat
2300 N
Suppose two people, one having three times the mass of the other, pull on opposite sides of a 20-meter rope while on frictionless ice. After a brief time, they meet. The more massive person slides a distance of
5m
As a 600-N sits on the floor, the floor exerts a force on of
600N
Whenever an object exerts a force on another object, the second object exerts a force of the same magnitude, but in the opposite direction to that of the first object.
Always true
An archer shoots an arrow. Consider the action force to be the bowstring against the arrow. The reaction to this force is the
Arrow's push against the bowstring
Earth pulls on the moon, and similarly the moon pulls on Earth. This is evidence that the
Both A and B
Bronco the skydiver falls toward Earth. The attraction of Earth on Bronco pulls him down. The reaction to this force is
Bronco pulling up on Earth
According to Newton's third law, if you push gently on something, it will push
Gently on you
Force always occurs
In pairs
An unfortunate bug splatters against the windshield of a moving car. Compared to the deceleration of the car, the deceleration of the bug is
Larger
Nellie Newton holds an apple in her hand. If action is Earth pulling on the apple, then reaction is
Neither A or B
A rocket is able to accelerate in the vacuum of space when it fires its engines. The force that propels the rocket is the force
Of the exhaust gases on the rocket
A high school student hits a nail with a hammer. During the collision, there is a force
On the nail and also on the hammer
A force is exerted on the tires of a car to accelerate the car along the road. The force is exerted by the
Road
A player hits a ball with a bat. The action force is the impact of the bat against the ball. What is the reaction to this force?
The force of the ball against the bat
A player catches a ball. Consider the action force to be the impact of the ball against the player's glove. What is the reaction to this force?
The force the glove exerts on the ball
As a ball falls, the action force is the pull of Earth's mass on the ball. What is the reaction to this force?
The pull of the balls mass on Earth
An unfortunate bug splatters against the windshield of a moving car. Compared to the force of the car on the bug, the force of the bug on the car is
The same
A large truck and a small car traveling at the same speed have a head-on collision. The vehicle to undergo the greater change in velocity will be
The small car
If a horse pulls on a wagon at rest, the wagon pulls back equally on the horse. Can the wagon be set into motion?
Yes, because there is a net force acting upon the wagon
Your friend says that the heavyweight champion of the world cannot exert a force of N on a piece of tissue paper with his best punch. The tissue paper is held in midair, no wall and no tricks.
You agree that it can't be done
