22 Questions
| Attempts: 909

This is Mr. Gromatsky's physics test 1A. These are regents style questions.

Questions and Answers

- 1.An object originally at rest is uniformly accelerated along a straight-line path to a speed of 8.0 meters per second in 2.0 seconds. What was the acceleration of the object?
- A.
0.25 m/s^2

- B.
10 m/s^2

- C.
16 m/s^2

- D.
4 m/s^2

- 2.A 30-kilogram boy exerts a force of 100 Newtons on a 50-kilogram object. The force that the object exerts on the boy is
- A.
0 N

- B.
100 N

- C.
980 N

- D.
1,500 N

- 3.If the sum of all the forces acting on a car is zero, then the speed of the car always
- A.
Decreases

- B.
Increases

- C.
Remains the same

- 4.As a constant unbalanced force acts on an object in the direction of motion, the object's speed
- A.
Decreases

- B.
Increases

- C.
Remains the same

- 5.An object is uniformly accelerated from rest to a speed of 24 meters per second in 10 seconds. The acceleration of the object is
- A.
1.0 m/s^2

- B.
2.0 m/s^2

- C.
1.5 m/s^2

- D.
2.5 m/s^2

- 6.If the mass of an object were doubled, its weight would be
- A.
Halved

- B.
Doubled

- C.
Quadrupled

- D.
Unchanged

- 7.A 2-newton force acts on a 3-kilogram mass for 6 seconds. The change of velocity of the mass is
- A.
18 m/s

- B.
2 m/s

- C.
36 m/s

- D.
4 m/s

- 8.Which is a vector quantity?
- A.
Distance

- B.
Speed

- C.
Displacement

- D.
Time

- 9.The graph represents the trip of a cart along a straight line. The total trip takes 12 seconds and starts at t = 0.The part of the trip during which the cart was at rest is represented by line
- A.
AB

- B.
BC

- C.
DE

- D.
GH

- 10.What was the total distance covered by the cart during the trip (AH)?
- A.
6m

- B.
11m

- C.
12m

- D.
22m

- 11.What is the average speed of the cart during the part of the trip labeled
*CD*?- A.
1 m/s

- B.
2 m/s

- C.
10 m/s

- D.
11 m/s

- 12.The part of the trip during which the cart was moving with a constant speed is represented by line
- A.
AB

- B.
BC

- C.
EF

- D.
GH

- 13.The part of the trip during which acceleration was not 0 is represented by the line
- A.
AB

- B.
BC

- C.
DE

- D.
FG

- 14.A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of 9.8 meters per second^2, the force exerted by the elevator on the man will be
- A.
400 N

- B.
800 N

- C.
1600 N

- D.
2000 N

- 15.The graph below shows the speed of an object plotted against the time.The total distance traveled by the object during the first 4 seconds is
- A.
0.5 meter

- B.
2 meters

- C.
8 meters

- D.
4 meters

- 16.An object is allowed to fall freely near the surface of a planet. The object has an acceleration due to gravity of 24 m/s^2. How far will the object fall during the first second?
- A.
24 meters

- B.
12 meters

- C.
9.8 meters

- D.
4.9 meters

- 17.When an unbalanced force of 10 Newtons is applied to an object whose mass is 4.0 kilograms, the acceleration of the object will be
- A.
40 m/s^2

- B.
2.5 m/s^2

- C.
9.8 m/s^2

- D.
0.40 m/s^2

- 18.A 1-kilogram object rests on a horizontal table top. The force that the table top exerts on the object is
- A.
1 N

- B.
2 N

- C.
0 N

- D.
9.8 N

- 19.No unbalanced force is acting on the car during time interval
- A.
BC

- B.
CD

- C.
EF

- D.
FG

- 20.The acceleration of the car during time interval AB is
- A.
0.40 m/sec^2

- B.
2.5 m/sec^2

- C.
10 m/sec^2

- D.
40 m/sec^2

- 21.During time interval CD, the average velocity of the car is
- A.
7.5 m/sec

- B.
17.5 m/sec

- C.
15 m/sec

- D.
35 m/sec

- 22.A 2.0-kilogram mass is pushed along a horizontal frictionless surface by a 3.0-newton force which is parallel to the surface.The weight of the mass is approximately
- A.
9.8 N

- B.
2.0 N

- C.
20 N

- D.
4 N

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