force and motion
what are two examples of forces
a)stand or ground
b)art and music
c)turning on a light and turning it off
d)push or pull
d)push or pull
what slows down the motion of an object or keeps it from starting
A)gravity
B) mass
C)friction
D) acceleration
C)friction
the amount of matter in an object is called
a)balance
b)interia
c)force
d)all the above
B)interia
What is Newton's 2nd law?
A) y=mx+b
B) force =motion x mass
C)f(x)=1/2 x mass
D) Force=mass x acceleration
D) Force= mass x acceleration
Which law would include a force?
a] 1st law
b]2nd law
c]3rd law
d]4th law
c] 3rd law
what is a force that opposes motion between two objects
a)Friction
b)acceleration
c) velocity
d) motion
A)friction
what is motion?
a)any change in the world
b)ocean waves
c)movement
d) any change in an object
d) any change in an object
inertia is used in explaining newton's
a)1st law
b) 3rd law
c) 2nd law
d) all of the above
A) 1st law
Which law would represent a body at rest?
a)3rd law
b)2nd law
c)1st law
d) all of the above
c) 1st law
A car is easier to push than a bus. This is an example of which of Newton's Laws?
A]10th law
B]1st law
C]3rd law
D]2nd law
d] 2nd law
what is force
a)push or pull
b) the change in position of an object
c)to put forth as strength
d) the amount of force (pull) that gravity has on an object's mass. Your weight depends on the gravitational pull of your location
A) push or pull
What is Motion?
A)measures how fast an object is moving (speed) AND the direction in which it is moving
b)newtons 1st law
c) interia
d) a change in position to a reference point
d) a change in position to a reference point
newton's first law is also know as _______
A)acceleration
B)inertia
C) reaction
D)action
b)inertia
What is an example of Newtons 1st law?
A] A person sleeping on a couch
B] arguing with a person
C] playing sports
D]all of the above
a] a person sleeping on a couch
What is Newton's 3rd law?
a)Every action has an equal and opposite reaction
b)a usually reversible change in the physical properties of a substance, as size or shape: Freezing a liquid is a physical change.
c)flow of thermal (heat) energy between things that are touching.
d)the acceleration of an object depends on its mass and the force used to move it
A) Every action has an equal and opposite reaction
when a ball fall back down to the ground is called
A)friction
B) motion
c) gravity
d) force
c)gravity
what is potential energy
A)weight
B)stored energy
C)moving energy
D)stored gas
B) stored energy
A baseball hit with a wooden bat goes farther than a baseball hit with a plastic bat. This is an example of which law of motion?
a]acceleration
b]1st law
c]2nd law
d]all of the above
c]2nd law
A kickball continues to roll until it hits the fence. This is an example of which law of motion?
a] all of the above
b]3rd law
c]2nd law
d]1st law
d]1st law
The slingshot was pulled back and the rock propelled forward. This is an example of which law of motion?
a] 3rd law
b] 4th law
c]2nd law
d]1st law
a]3rd law
how does force apply in baseball?
a)swing a baseball bat and hit in the same direction
b) swing a baseball bat and drop the ball while its in a new direction
c)swing and miss the ball
d)swing a baseball bat and hit the ball in a new direction
d) swing a baseball bat and hit the ball in a new direction
what is acceleration?
a) energy of motion.
b)the ability to do work
c)The rate of velocity change over time.
d)the overall force(s) acting on an object.
c)The rate of velocity change over time.
An object will _________________ in the direction that you push it.
a] force
b]newton's laws
c] motion
d] acceleration
d]acceleration
what is an example of Newtons 3rd law?
a] someone sitting in bed
b] people watching tv
c] all o the above
d]Two people who are pulling on the same rope with an equal force
D]Two people who are pulling on the same rope with an equal force
a football kicker is an example of which law
A)first law
B)third law
C)second law
D)all of the above
B)third law