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Force/Motion Ch1-2
Amplify Science Force & motion Chapters 1 & 2
| Question | Answer |
|---|---|
| Did the thrusters on the ACM pod exert the same amount of force as the normal pods that docked to the space station properly? | yes |
| The velocity of an object include its speed and __________ | direction |
| the amount of matter that makes up an object | mass |
| In order for your results of an investigation to be reliable, should you do more trials or less trials? | more |
| Object A is made twice the amount of atoms than object B. Which object is more massive? | A |
| Object A is less massive and Object B is more massive. Which object would have a greater change in velocity if you exerted the same strength force? | A |
| So scientists use centimeters or inches? | centimeters |
| Object A is less massive and Object B is more massive. If both objects are moving at the same speed, which object would be harder to stop? | B |
| Is order to have a reliable investigation, how many things should you purposely change for each trial? | one |
| Object A is more massive and Object B is less massive. Which object would have a greater change in velocity if you exerted the same strength force? | B |
| A _____________ force can cause a lesser change in velocity. | weaker |
| how fast an object is going in a certain direction | velocity |
| If you want an object to start moving, you need to apply a force to the object in ___________________ direction | any |
| five ways that motion can change | stop start speed up slow down change direction |
| Why isn't there any friction in outer space? | stars and planets are too far away from each other |
| T/F? Frame of reference refers to how a everyone views the motion of a situation the same way. | false |
| to apply a force | exert |
| A ___________ is required to change the velocity of an object. | force |
| If you want an object's velocity to increase, you need to apply a force in the ______________ direction as the object | same |
| T/F? Motion can look different to different observers. | true |
| How an object changes velocity depends on the _______________ of the force exerted on that object. | direction |
| a force between an object and the surface it is moving over | friction |
| a push or a pull that can change the motion of an object | force |
| Is there any friction in outer space? | no |
| A _____________ force can cause a greater change in velocity. | stronger |
| how fast an object is going | speed |
| If you want an object's velocity to increase, you need to apply a force in the ______________ direction as the object | same |
| T/F? Frame of reference refers to how observers can view the same situation in different ways. | true |
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edeboo
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