Newton's Second Law Review
- 1.Which equation below represents the mathematical expression of Newton's second law of motion?
- A.
F = m/a
- B.
F = m x a
- C.
F x m = a
- D.
F x a = m
- 2.Doubling the mass of an object has what effect on acceleration?
- A.
Doubles accleration
- B.
Halves accleration
- C.
Has no affect
- D.
Banana
- 3.Doubling the net force on an object has what effect on acceleration?
- A.
Doubles accleration
- B.
Halves accleration
- C.
Has no affect
- D.
Banana
- 4.Acceleration is....
- A.
Always in the direction of motion.
- B.
Can be either in the direction of the net force, or opposite
- C.
Caused by balanced forces
- D.
Always in the direction of the net force
- 5.Mass is _________________ proportional to acceleration.
- A.
Inversely
- B.
Directly
- C.
Equally
- D.
Banana
- 6.Force is _________________ proportional to acceleration.
- A.
Inversely
- B.
Directly
- C.
Equally
- D.
Banana
- 7.If an object is traveling to the right and slowing down, the direction of the net force is...
- A.
To the right
- B.
To the left
- C.
Straight up
- D.
No net force
- 8.An arrow is fired straight up into the air. After it leaves the bow the direction of the acceleration is...
- A.
Up
- B.
Down
- C.
No acceleration, its motion is uniform
- D.
No force, so no acceleration
- 9.Two vehicles are parked on an incline at the top of a hill. One is a small car, the other a very massive truck. You release the parking brake of each at the same time. All other factors being equal, which vehicle accelerates faster?
- A.
The car
- B.
The truck
- C.
They accelerate equally with gravity
- D.
There is no acceleration, only uniform motion
- 10.The car and the truck accelerate down the hill and reach a flat level surface at the bottom. Which vehicle will coast farther and take longer to come to rest?
- A.
The car
- B.
The truck
- C.
They will travel the same speed
- D.
They will get there at different times but stop at the same distance
- 11.An object weighs 30N on earth. A second object weighs 30N on the moon. Which the greater mass? (Note: due to its size, the moon has less gravity than the earth.)
- A.
Object on the moon
- B.
Object on earth
- C.
Same mass
- D.
Depends on air resistance
- 12.Compared to a 1kg block of solid iron, a 2kg block of solid iron has twice as much
- A.
Inertia
- B.
Mass
- C.
Volume
- D.
All
- E.
None
- 13.A 10kg block is pushed across a horizontal surface with a horizontal force of 20N against a friction force of 10N. The acceleration of the block in meters per second per second is
- A.
1
- B.
5
- C.
2
- D.
10
- 14.A water skier has a mass of 79 kg and accelerates at 1.4 m/s2. What is the net force acting on the skier?
- A.
110.6
- B.
56.4 N
- C.
110.6 Kg
- D.
110.6 N
- 15.What is the mass of an object if it takes a net force of 32 N to accelerate it at a rate of 0.88 m/s2 ?
- A.
28.2 N
- B.
36.4 Kg
- C.
34.6 N
- D.
36.4 N
- 16.A net force of 15 N is applied to a cart with a mass of 2.1 kg. How long will it take the cart to travel 2.8 m, starting from rest?
- A.
2.55 s
- B.
.86 s
- C.
31.5 s
- D.
.39 s
- 17.A car has a mass of 820 kg. It starts from rest and travels 41 m in 3.0 s. What is the net force applied to the car?
- A.
7471 N
- B.
3735 N
- C.
2780 N
- D.
6882N
- 18.What is the acceleration of a box weighing 666 N if a force of 777 N is applied to it?
- A.
15.8 m/s/s
- B.
12.6 m/s/s
- C.
54 m/s/s
- D.
11.4 m/s/s
- 19.A 120 N force is applied to a block, causing an acceleration of 22.5 m/s2. What is the mass of the block?
- A.
33.5 kg
- B.
5.33 kg
- C.
12 kg
- D.
8.7 kg
- 20.A student tests the second law of motion by accelerating a block of ice at a rate of 3.5 m/s2. If the ice has a mass of 12.5 kg, what force must the student apply to the ice?
- A.
47.35kg
- B.
43.75kg
- C.
47.35N
- D.
43.75N
- 21.A block pushed with a force of 13.5 N accelerates at 6.5 m/s2 to the left. What is the mass of the block?
- A.
4 kg
- B.
2 kg
- C.
87.75 kg
- D.
.5 kg
Questions: 11 | Attempts: 81 | Last updated: Oct 15, 2013
-
Sample QuestionWhat statement of Newton's 2nd Law is NOT true
Questions: 24 | Attempts: 188 | Last updated: Dec 11, 2016
-
Sample QuestionColumbian Exchange
Questions: 5 | Attempts: 73 | Last updated: Jan 10, 2013
-
Sample QuestionIn Imovie, if you are applying a title to a clip and you want to adjust the font in the title you would....
Back to top