Chapter Test : Newton's Law Of Motion

46 Questions  I  By Jasper_berdin1
Newton's laws of motion are three physical laws that form the basis for classical mechanics. They describe the relationship between the forces acting on a body and its motion due to those forces.

  
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1.  Which of the following statements are true of Inertia? List all that apply.
A.
B.
C.
D.
E.
2.  A student desk changes the amount of force it puts on other objects throughout a school day.
A.
B.
C.
D.
3.  Which of the following statements are true of the quantity weight? List all that apply.
A.
B.
C.
D.
4.  At which point(s), if any, is there a net force acting upon the object? List all that apply.
A.
B.
C.
D.
5.  A 5.20-N force is applied to a 1.05-kg object to accelerate it rightwards across a friction-free surface. Determine the acceleration of the object. (Neglect air resistance.)
A.
B.
C.
D.
6.  At which point(s), if any, are the forces acting upon the object balanced? List all that apply.
A.
B.
C.
D.
7.  A 1250-kg small aircraft decelerates along the runway from 36.6 m/s to 6.80 m/s in 5.10 seconds. Determine the average resistive force acting upon the plane. (Assume that its engine/propeller makes no contributes to its forward motion).
A.
B.
C.
D.
8.  A train has a mass of 6.32x104 kg and is moving with a speed of 94.3 km/hr. The engineer applies the brakes which results in a net backward force of 2.43x105 Newtons on the train. The brakes are held for 3.40 seconds. How far (in meters) does the train travel during this time?
A.
B.
C.
D.
9.  During which time interval(s), if any, is the net force acting upon the object directed toward the left? List all that apply.
A.
B.
C.
D.
10.  During which time interval(s), if any, is the net force acting upon the object directed toward the right? List all that apply.
A.
B.
C.
D.
11.  As you sit in your chair and study your physics (presuming that you do), the force of gravity acts downward upon your body. The reaction force to the force of the Earth pulling you downward is ___.
A.
B.
C.
D.
12.  If you were in an elevator and the cable broke, jumping up just before the elevator hit the ground would not save you. Sorry.
A.
B.
C.
D.
13.  A helicopter must have two sets of blades in order to fly with stability.
A.
B.
C.
D.
14.   During which time interval(s), if any, are the forces acting upon the object balanced? List all that apply.
A.
B.
C.
D.
15.  A shopper in a supermarket pushes a loaded cart with a horizontal force of 16.5 Newtons. If the cart has a mass of 33.8 kg, how far (in meters) will it move in 1.31 seconds, starting from rest? (Neglect frictional effects.)
A.
B.
C.
D.
16.  According to Newton's third law, every force is accompanied by an equal and opposite reaction force. The reason that these forces do not cancel each other is ____.
A.
B.
C.
D.
17.  The stronger, heavier team in a tug-of-war does not create a larger tension in the rope than the weaker, lighter team.
A.
B.
C.
D.
18.  A 5.20-N force is applied to a 1.05-kg object to accelerate it rightwards. The object encounters 3.29-N of friction. Determine the acceleration of the object. (Neglect air resistance.)
A.
B.
C.
D.
19.  At which point(s), if any, are there no forces acting upon the object? List all that apply.
A.
B.
C.
D.
20.  A 0.250-kg ball is thrown upwards with an initial velocity of 12.0 m/s at an angle of 30.0 degrees. Determine the acceleration of the ball when it has reached the peak of its trajectory. Assume negligible air resistance.
A.
B.
C.
D.
21.  During which time interval(s), if any, is the net force acting upon the object directed toward the right? List all that apply.
A.
B.
C.
D.
22.  Which of the following statements are true of the quantity mass List all that apply.
A.
B.
C.
D.
23.  At which point(s), if any, is the net force acting upon the object directed upward? List all that apply.
A.
B.
C.
D.
24.   A 72-kg skydiver is falling from 10 000 feet. After reaching terminal velocity, the skydiver opens his parachute. Shortly thereafter, there is an an instant in time in which the skydiver encounters an air resistance force of 1180 Newtons. Determine the acceleration of the skydiver at this instant.
A.
B.
C.
25.  A tow truck exerts a 18300-N force upon a 1210-kg car to drag it out of a mud puddle onto the shoulder of a road. A 17900 N force opposes the car's motion. The plane of motion of the car is horizontal. Determine the time required to drag the car a distance of 6.90 meters from its rest position.
A.
B.
C.
D.
26.  During which time interval(s), if any, are the forces acting upon the object balanced? List all that apply.
A.
B.
C.
D.
27.  At which point(s), if any, is the net force acting upon the object directed toward the right? List all that apply.
A.
B.
C.
D.
28.  A 921-kg sports car is moving rightward with a speed of 29.0 m/s. The driver suddenly slams on the brakes and the car skids to a stop over the course of 3.20 seconds with the wheels locked. Determine the average resistive force acting upon the car.
A.
B.
C.
D.
29.  A 0.250-kg rightward moving air track glider decreases its speed from 0.872 m/s to 0.798 m/s over the length of a 1.71-m long air track. Determine the average resistive force acting upon the air track glider.
A.
B.
C.
D.
30.  A 72-kg skydiver is falling from 10000 feet. At an instant during the fall, the skydiver encounters an air resistance force of 540 Newtons. Determine the acceleration of the skydiver at this instant.
A.
B.
C.
D.
31.  A golf pro places a ball at rest on the tee, lines up his shot, draws back his club, and lets one rip. During the contact of the golf club with the golf ball, the force of the club on the ball is ____ the force of the ball on the club and the acceleration of the club is ____ than the acceleration of the ball.
A.
B.
C.
D.
32.  Consider Newton's second law of motion to determine which of the following statements are true? List all that apply.
A.
B.
C.
D.
33.  During which time interval(s), if any, are there no forces acting upon the object? List all that apply.
A.
B.
C.
D.
34.  A 4.44-kg bucket suspended by a rope is accelerated upwards from an initial rest position. If the tension in the rope is a constant value of 83.1 Newtons, then determine the speed (in m/s) of the bucket after 1.59 seconds.
A.
B.
C.
D.
35.  During which time interval(s), if any, are there no forces acting upon the object? List all that apply.
A.
B.
C.
D.
36.  Which of the following statements are true of an object that experiences balanced forces (or unbalanced forces)? List all that apply.
A.
B.
C.
D.
37.  Determine the applied force required to accelerate a 3.25-kg object rightward with a constant acceleration of 1.20 m/s/s if the force of friction opposing the motion is 18.2 N. (Neglect air resistance.)
A.
B.
C.
38.  Heavy objects are not easier to move around in a horizontal fashion on the Moon than on the Earth.
A.
B.
C.
D.
39.  Consider Newton's first law of motion to determine which of the following statements are true? List all that apply.
A.
B.
C.
D.
40.  During which time interval(s), if any, is there a net force acting upon the object? List all that apply.
A.
B.
C.
D.
41.  During which time interval(s), if any, is the net force acting upon the object directed toward the left? List all that apply.
A.
B.
C.
D.
42.  Which of the following statements are true of the concept of force? List all that apply.
A.
B.
C.
D.
43.  You usually jerk a paper towel from a roll in order to tear it instead of pulling it smoothly.
A.
B.
C.
D.
44.  During which time interval(s), if any, is there a net force acting upon the object? List all that apply.
A.
B.
C.
D.
45.  The anount of net force required to keep a 5-kg object moving rightward with a constant velocity of 2 m/s is ____.
A.
B.
C.
D.
E.
46.  A 22.6-N horizontal force is applied to a 0.0710-kg hockey puck to accelerate it across the ice from an initial rest position. Ignore friction and determine the final speed (in m/s) of the puck after being pushed for a time of .0721 seconds.
A.
B.
C.
D.
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