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Physics-Semester 1 Final

Total questions: 67

Worksheet time: 46mins

Name
Class
Date
1.
1. The product of an object's mass and velocity.
a)
Physics
b)
Momentum
c)
Impulse
d)
Conservation of momentum
2.
2. The study of matter, energy, and their interactions.
a)
Physics
b)
Momentum
c)
Impulse
d)
Conservation of momentum
3.
3. The product of a force and the amount of time the force acts.
a)
Physics
b)
Momentum
c)
Impulse
d)
Conservation of momentum
4.
4. In the universe if something stops moving, something else must start.
a)
Physics
b)
Momentum
c)
Impulse
d)
Conservation of momentum
5.
5. The SI unit for acceleration
a)
Meters per second squared (m/s^2)
b)
Kilogram (kg)
c)
Meter (m)
d)
Second (s)
e)
Meters per second (m/s)
6.
6. The SI unit for force
a)
Newtons (N)
b)
Kilogram (kg)
c)
Meter (m)
d)
Second (s)
e)
Meters per second (m/s)
7.
7. The SI unit for mass.
a)
Kilogram (kg)
b)
Meter (m)
c)
Second (s)
d)
Meters per second (m/s)
e)
Newtons (N)
8.
8. The SI unit for weight.
a)
Newtons (N)
b)
Kilogram (kg)
c)
Meter (m)
d)
Second (s)
e)
Meters per second (m/s)
9.
9. The SI unit for displacement.
a)
Meter (m)
b)
Kilogram (kg)
c)
Second (s)
d)
Meters per second (m/s)
e)
Newtons (N)
10.
10. SI unit for momentum
a)
Newton seconds (Ns)
b)
Kilogram (kg)
c)
Meter (m)
d)
Second (s)
e)
Meters per second (m/s)
11.
11. The SI units for 'g'.
a)
Meters per second squared (m/s^2)
b)
Kilogram (kg)
c)
Meter (m)
d)
Second (s)
e)
Meters per second (m/s)
12.
12. The SI unit for velocity.
a)
Meters per second (m/s)
b)
Kilogram (kg)
c)
Meter (m)
d)
Second (s)
e)
Newtons (N)
13.
13. The SI unit for impulse.
a)
Newton seconds (Ns)
b)
Kilogram (kg)
c)
Meter (m)
d)
Second (s)
e)
Meters per second (m/s)
14.
14. The SI unit for torque.
a)
Newton meters (Nm)
b)
Kilogram (kg)
c)
Meter (m)
d)
Second (s)
e)
Meters per second (m/s)
15.
15. Which Prefix is 10^-3
a)
milli (m)
b)
pico (p)
c)
nano (n)
d)
micro (u)
e)
centi (c)
16.
16. Which prefix is 10^6
a)
mega (M)
b)
pico (p)
c)
nano (n)
d)
micro (u)
e)
milli (m)
17.
17. Which prefix is 10^3
a)
kilo (k)
b)
pico (p)
c)
nano (n)
d)
micro (u)
e)
milli (m)
18.
18. Which prefix is 10^-9
a)
nano (n)
b)
pico (p)
c)
micro (u)
d)
milli (m)
e)
centi (c)
19.
19. Which prefix is 10^9
a)
giga (G)
b)
pico (p)
c)
nano (n)
d)
micro (u)
e)
milli (m)
20.
20. Which prefix is 10^-6
a)
micro (u)
b)
pico (p)
c)
nano (n)
d)
milli (m)
e)
centi (c)
21.
21. Which Scientist was the first to experimentally determine the value of G.
a)
Cavendish
b)
Ptolemy
c)
Galileo
d)
Newton
e)
Kepler
22.
22. Which Scientist demonstrated that gravity accelerates all objects at the same rate.
a)
Galileo
b)
Ptolemy
c)
Newton
d)
Kepler
e)
Brahe
23.
23. Which scientist formulated the 3 laws of planetary motion?
a)
Kepler
b)
Ptolemy
c)
Galileo
d)
Newton
e)
Brahe
24.
24. Which scientist formulated the three laws of motion, and the law of universal gravitation?
a)
Newton
b)
Ptolemy
c)
Galileo
d)
Kepler
e)
Brahe
25.
25. Which scientist explained gravity by the theory of general relativity?
a)
Einstein
b)
Ptolemy
c)
Galileo
d)
Newton
e)
Kepler
26.
26. What is the separation between two point?
a)
Force
b)
Position
c)
Displacement
d)
Distance
27.
27. The force of gravity acting on an object.
a)
Mass
b)
Weight
c)
Friction
d)
Centripetal Force
28.
28. The degree of exactness in a measured value.
a)
Accuracy
b)
Precision
c)
Vector
d)
Scalar
29.
29. The amount of time it takes to complete one cycle or revolution.
a)
Equilibrant
b)
Trajectory
c)
Period
d)
Equilibrium
30.
30. "There is a positive attractive force between any two objects with mass. The force varies directly to product of the masses and inversely to the square of the distance between them."
a)
Newton's 1st Law of Motion
b)
Newton's 2nd Law of Motion
c)
Newton's 3rd Law of Motion
d)
Newton's Law of Universal Gravitation
31.
31. An object's change in position.
a)
Force
b)
Position
c)
Displacement
d)
Distance
32.
32. A quantity that is completely described by magnitude.
a)
Accuracy
b)
Precision
c)
Vector
d)
Scalar
33.
34. The extent that a measured value agrees with the accepted value.
a)
Accuracy
b)
Precision
c)
Vector
d)
Scalar
34.
35. The motion that results when a force varies directly to the object's displacement.
a)
Projectile motion
b)
Uniform Circular motion
c)
Simple Harmonic motion
d)
Inertia
35.
36. Which of the following is NOT one of the fundamental force types?
a)
Gravity
b)
Friction
c)
Strong Nuclear
d)
Electromagnetic
36.
37. A push or a pull.
a)
Force
b)
Position
c)
Displacement
d)
Distance
37.
38. The branch of physics that studies forces and the motion they cause.
a)
velocity
b)
acceleration
c)
dynamics
d)
kinematics
38.
39. An object's change in position per unit of time.
a)
velocity
b)
acceleration
c)
dynamics
d)
kinematics
39.
40.The tendency of a body to resist a sudden change in motion.
a)
Projectile Motion
b)
Uniform Circular Motion
c)
Simple Harmonic Motion
d)
Inertia
40.
41. The branch of physics that studies how an object moves, without looking at the cause of motion.
a)
Velocity
b)
Acceleration
c)
Dynamics
d)
Kinematics
41.
42. The single force which can be added to a system to make the net force zero.
a)
Equilibrant
b)
Trajectory
c)
Period
d)
Equilibrium
42.
43. "An object will remain in its present state of motion unless acted upon by a net external force."
a)
Newton's 1st Law of Motion
b)
Newton's 2nd Law of Motion
c)
Newton's 3rd Law of Motion
d)
Newton's Law of Universal Gravitation
43.
44. The motion that results when a force of constant magnitude acts perpendicular to the velocity vector.
a)
Projectile Motion
b)
Uniform Circular Motion
c)
Simple Harmonic Motion
d)
Inertia
44.
45. An object's change in velocity per unit of time.
a)
Velocity
b)
Acceleration
c)
Dynamics
d)
Kinematics.
45.
46. F = ma
a)
Newton's 1st Law of Motion
b)
Newton's 2nd Law of Motion
c)
Newton's 3rd Law of Motion
d)
Newton's Law of Universal Gravitation
46.
47. The force directed toward the center of a circular trajectory.
a)
Mass
b)
Weight
c)
Friction
d)
Centripetal
47.
48. A quantity that is dependent on magnitude and direction.
a)
Accuracy
b)
Precision
c)
Vector
d)
Scalar
48.
49. The motion of any object thrown or put into the air.
a)
Projectile Motion
b)
Uniform Circular Motion
c)
Simple Harmonic Motion
d)
Perpetual Motion
49.
50. The path of an object that is thrown into the air.
a)
Equilibrant
b)
Trajectory
c)
Period
d)
Arc
50.
51. The location of an object relative to a reference point.
a)
Force
b)
Position
c)
Displacement
d)
Distance
51.
52. The force that opposes the motion of one object over or through another.
a)
Mass
b)
Weight
c)
Friction
d)
Centripetal Force
52.

This will be an essay question on the exam. You will be expected to answer using the RACE format. Mass and weight are often confused in physics. Compare and contrast these two terms.

4 lines
53.

If a physics book is measured to be 20.28 cm wide, 28 cm tall, and 2.6 cm deep, what is the volume with the proper units? Sig figs problem. (If needing scientific notation, use E. Write the power with a ^)

(a)  

54.

A person walks 2.3 km north and then 3.8 km west. What is their net displacement (magnitude and direction)? (Don't forget compass direction and write out the word "degrees")

(a)  

55.

A car is traveling at 20.0 m/s and is accelerated uniformly at the rate of 1.6 m/s² for 6.8 s. What is its final speed? (Don't forget the units)

(a)  

56.

Starting from rest, a rocket is accelerated at the uniform rate of 18 m/s² for 5.0 s. What is the rocket’s displacement?

(a)  

57.

A stone falls for 8.0 s. Assuming that there is no air resistance and that the stone started from rest, what is the speed of the stone now? (Don't forget the units)

(a)  

58.

A student drops a rock from a 120 m high bridge. If we neglect air resistance, what is the maximum speed the rock can attain? (Don't forget the units)

(a)  

59.

What net force is required to accelerate a 1500 kg car from 10.0 m/s to 30.0 m/s in 10.0 s? (If writing in scientific notation, use E format and don't forget the units)

(a)  

60.

A force of 125 N is used to lift an 8.0 kg rock. Calculate the rock’s upward acceleration. (Don't forget units and use ^ for exponents)

(a)  

61.

A force of 85 N keeps a 25 kg object sliding at the constant velocity of 8.0 m/s. What is the coefficient of friction?

(a)  

62.

A box is pulled by two concurrent forces. One force is 150 N, the other is 210 N. If the angle between the forces is 63°, find the magnitude and direction of the resultant. Use the 150 N force as the point of reference. (Write out the word "degrees")

(a)  

63.

A 65 kg block sits on a frictionless ramp that forms an angle of 38° with the horizontal. What is the net force on the block?

(a)  

64.

A projectile is fired horizontally at 32 m/s. If the projectile drops a vertical distance of 0.67 m, calculate the horizontal displacement.

(a)  

65.

If a 0.25 kg mass is rotated around on a 0.75 m string at a rate of 1.5 revolutions per second, calculate the centripetal force.

(a)  

66.

Two asteroids are separated by 3.2 × 10⁵ m. The first asteroid has a mass of 1.65 × 10⁸ kg, and the second one has a mass of 5.78 × 10⁸ kg. What is the gravitational force between them? (Use E for scientific notation)

(a)  

67.

Mars orbits the Sun in 1.88 years and has an orbital radius of 2.28 × 10¹¹ m. It takes Pluto 76 years to orbit the Sun. What is the radius of Pluto’s orbit? (use E for scientific notation)

(a)  

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