Newton's Laws Of Motion Question Preview (ID: 17779)
Newton's Laws.
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When your riding in a car and the car suddenly stops, your body continues to move forward. This is an example of
a) Newton's First Law of Motion
b) Newton's Third Law of Motion
c) The law of conservation of mass
d) Newton's Second Law of Motion
When a teacher stands at the front of the class, gravity pulls him toward the ground. The ground pushes back with an equal and opposite force. The is an example of
a) Newton's First Law of Motion
b) Newton's Second Law of Motion
c) Newton's Third Law of Motion
d) The law of conservation of mass
It is unsafe to travel with a dog in the back of a pickup for many reason. One reason is that, according to Newton's first law of motion, if the driver slams on the brakes,
a) the force of the brakes will send the dog straight in the air
b) the dog will not be able to move around because the force will hold it in place
c) the dog's inertia will cause it to continue to move forward at the same stopped, until it is stopped by a force.
d) the dogs acceleration will cause it to continue to move at the same speed backward until it is stopped by a force
A students kicks a soccer ball across the field. The ball rolls across the field and stops. What causes the ball to stop?
a) It changes direction.
b) Friction acts on it
c) It mass increases
d) There is no net force
According to Newtons second law of motion, what does force equal?
a) Mass X the speed of light squared
b) Velocity X Direction
c) Distance X Force
d) Mass X Acceleration
Which of the following is closely associated with inertia?
a) Newton's Second Law of Motion
b) Newton's Third Law of Motion
c) Newton's First Law of Motion
d) action-reaction pair
A rocket burns fuel in order to move forward. Which physical law explains this motion?
a) Newton's Third Law
b) Newton's Second Law
c) Newton's First Law
d) Newton's Law of gravitation
What is the average speed of an object that goes 100 meters in 20 seconds?
a) 4 m/s
b) 8 m/s
c) 5 m/s
d) 10 m/s
A large box is being pushed by two men in opposite directions causing it to stop accelerating. Why will the box stop accelerating?
a) Because the opposing forces are balanced
b) Because the floor causes friction
c) Because the man on the left side applies more force than the man on the right side.
d) Because the man on the right side applies more force than the man on the left side.
A group of students are playing tug-of-war. The students on one side of the rope are pulling the students to the other side. What does this example show?
a) unbalanced forces
b) displacement
c) acceleration
d) balanced forces
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