Science Test

Front 1

what is the first law of motion

Back 1

an object at rest will remain at rest an object in motion will continue moving in a straight line at a constant speed until an outside force acts on it

Front 2

what is the 2nd law of motion

Back 2

an object's acceleration depends on the size and dirction of the force acting on it and on the mass of the object.

Front 3

what is the 3rd law of motion

Back 3

forevery action force there is an equal and oppsite reaction force

Front 4

what do the laws of motion explain

Back 4

the movement of objects on earth and in space.

Front 5

when you look at a train,how do you know its moving

Back 5

its postion changes

Front 6

when youare reading a magzine in a car trraveling 55mph,why does the magzine appear to be not moving

Back 6

because of your frame of referance

Front 7

for 2 cars to have the same velocity,what 2 things must they have in common

Back 7

speed
direction

Front 8

when is the only time you arent accerating

Back 8

when you are traveling in a straight line at a constant speed

Front 9

y is it harder to stopa car rather than a bicycle

Back 9

the greater mass, the greater momentum

Front 10

what cause you to move forward in a car seat when the car stops

Back 10

interia

Front 11

when u hit a marble y does the other one stops

Back 11

conseravition ofmomentum

Front 12

whenyou goup an escalator, how do you know younare in motion

Back 12

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Front 13

ifyou are jogging in place, why cant we measure your speed

Back 13

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Front 14

if the earth pulls on a child with a forceof 20n, what amout does the child exert on the earth

Back 14

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