Force Test Flashcards
1
Q
- A baseball player swings his bat and misses the ball but hits a fly that was hovering over home plate. The acceleration of the fly compared to what the acceleration of the ball would have been with the same force applied to it would be
A
larger u6c2
2
Q
- A 500 N force is applied to a 25 m/s^ 2 object. The mass of the object is
A
20 kg
3
Q
- What is the acceleration of the box in the picture to the right
A
12 m/s^2
U6C2 study guide (example 1)
4
Q
- What is the weight of the box to the right
A
245 N u6c2
5
Q
- Consider a watermelon that starts from rest and is dropped straight down from a tall building. Air resistance can be ignored. Which statement about the watermelons motion is false?
A
the watermelon falls at a constant velocity
Notes
6
Q
- If the block in the picture above has an acceleration of 1m/s^2 what would be the blocks mass?
A
2 kg practice Newton’s 2nd law
7
Q
- An object that is falling freely has a constant what?
A
acceleration u6c1 notes
8
Q
- In the picture to the right, if the card were quickly pulled off the cup like the arrow suggests, what property would explain why the coin falls into the cup rather than moving with the card.
A
inertia u6c1 study guide
9
Q
- The upward force on an object falling through the air is
A
air resistance notes
10
Q
36 rank the following objects from LEAST momentum to MOST momentum
A
1 parked car, 2 falling feather, parked car practice force and newtons 1st law
11
Q
37 rank the following objects from LEAST inertia to most inertia
A
1 pencil, 2 science text book, 3 truck u6c1