# Newton's Second Law Review

21 Questions | Total Attempts: 59  Settings Create your own Quiz • 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.
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

• 4.
Mass is _________________ proportional to acceleration.
• A.

Inversely

• B.

Directly

• C.

Equally

• D.

Banana

• 5.
Force is _________________ proportional to acceleration.
• A.

Inversely

• B.

Directly

• C.

Equally

• D.

Banana

• 6.
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

• 7.
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

• 8.
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

• 9.
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

• 10.
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

• 11.
Doubling the net force on an object has what effect on acceleration?
• A.

Doubles accleration

• B.

Halves accleration

• C.

Has no affect

• D.

Banana

• 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

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