Newton's 2nd Law Exam Questions! Quiz
10 Questions
| Total Attempts: 4319
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2ND LAW physics.
Questions and Answers
- 1.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
- 2.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 moon
- B.
Object on earth
- C.
Same mass
- D.
Depends on air resistance
- 3.One object had twice as much mass as another object. The first object also has twice as much:
- A.
Volume
- B.
Gravitational acceleration
- C.
Inertia
- D.
Velocity
- 4.An object is propelled along a straight-line path by force. If the net force were doubled, its acceleration would:
- A.
Halve
- B.
Double
- C.
Quadruple
- D.
Stay the same
- 5.The force of friction on a sliding object is 10 newtons. The applied force needed to maintain a constant velocity is:
- A.
Less than 10N
- B.
More than 10N
- C.
10N
- 6.A 10N falling object encounters 4N of air resistance. The net force on the object is:
- A.
4N
- B.
0N
- C.
6N
- D.
10N
- E.
None of the above
- 7.Which of the following has zero acceleration? An object
- A.
Moving at a constant velocity
- B.
At rest
- C.
At equilibrium
- D.
All of the above
- 8.A 10kg block with an initial velocity of 10m/s slides 10m across a horizontal surface and comes to rest. It takes the block 2 seconds to stop. The stopping force acting on the block is about:
- A.
5N
- B.
10N
- C.
25N
- D.
50N
- 9.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
- 10.A hockey puck is set in motion across a frozen pond. If ice friction and air resistance are neglected, the force required to keep the puck sliding at constant velocity is:
- A.
Equal to the weight of the puck
- B.
The weight of the puck divided by the mass of the puck
- C.
The mass of the puck multiplied by 9.8 m/s
- D.
Zero newtons
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