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Push Harder — Newton's Second Law Quiz

1. Imagine that you are sliding a heavy box of books across the floor. You ask a friend for help and she pushes the box with you in the same direction. The box's acceleration will:
Correct.
Incorrect.
2. Imagine that you are pushing an empty shopping cart. Someone puts several gallons of milk in the shopping cart. You then push the cart with the same force that you used to push the empty cart. The cart's acceleration will be:
Correct.
Incorrect.
3. Imagine that you are already pushing your car as hard as you can. Write at least one change you could make to the car to make it go farther.
4. The graph below shows data recorded with the phyphox app while pushing the phone along a flat table (in the positive Y direction, towards the top of the phone). Select the graph where the part where the phone sped up (its velocity increased) is circled.
Image Credit: Ben Finio, Science Buddies / Science Buddies

Correct.
Incorrect.
5. Assuming an object's mass does not change, select the graph that shows the relationship between force and acceleration.
Image Credit: Ben Finio, Science Buddies / Science Buddies

Correct.
Incorrect.

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