Save
or

or

taken

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

focusNode
Didn't know it?
click below

Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size     Small Size show me how

# P4.1 - Newton

### Newton's Laws and Momentum - OCR A2 Physics

Newton's first law: An object will remain at rest or constant speed in a straight line unless acted upon by an external force.
Newton's second law: The net force of an object is equal to the rate of change of momentum.
Newton's third law: In equilibrium, whenever body a exerts a force on body b, body b simultaneously exerts an equal but opposite force on body a.
What is a pair force? A pair of forces of the same type, of equal magnitude and in the opposite direction.
Define momentum: Momentum = mass x velocity
What is the principle of conservation of momentum? The total momentum of a system remains constant unless acted upon by an external force.
What does 'impulse' mean in terms of force and time? Impulse is another word for the rate of change of momentum.
What is an elastic collision? Both energy and momentum are conserved. Therefore no energy is lost.
What is an inelastic collision? Energy is not conserved, however momentum is. All real world collisions are this type.
Give vague details of an experiment to show principle of conservation of momentum: Air track, light gates, data logger, measure mass, fire at each other, compare momentum of before and after.
Created by: Sparksy

Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

• SPACEBAR - flip the current card
• LEFT ARROW - move card to the Don't know pile
• RIGHT ARROW - move card to Know pile
• BACKSPACE - undo the previous action

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
 "Know" box contains: Time elapsed: Retries:
restart all cards