Free Printable Final Exam_Intervention to Physics

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Final Exam_Intervention to Physics

Total questions: 25

Worksheet time: 21mins

Name

Class

Date

Is 55,000 mg greater than, less than, or equal to 5 kg?

greater than

equal to

less than

What is the basic unit of mass in the metric system?

Liter

Meter

Gram

Kilometer

Change from standard form to scientific notation: 12,000,000

12.0 x 10⁷

0.12 x 10⁷

1.2 x 10⁶

1.2 x 10⁷

Change from standard form to scientific notation: 0.004078

4.078 x 10^-3

4.078 x 10³

40.78 x 10^-4

.4078 x 10^-2

Which number is correctly written in scientific notation?

8.2 x 10²

82 x 10⁷

3.45 x 9⁴

How many significant figures: 216 m

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

3 x 10¹⁰

3 x 10⁴

3 x 10^-4

3 x 10^-11

How many significant figures: 0.012 km

Vector is a quantity with:

magnitude and direction

magnitude

direction

none of the above

10.

In the diagram ABCDEF is a regular hexagon with centre O. $\overrightarrow{OA}=a\ and\ \overrightarrow{AB}\ =b$

Find expressions, in terms of a and b, for:

$\overrightarrow{CA}$

a - b

b - a

-a - b

11.

In tug of war work done by loosing team is :

Zero

Positive

Negative

None of these

12.

A particle of mass m is at rest is acted upon by a force F for a time t. Its kinetic energy after an interval of t is :

F²t²/m

F²t²/2m

F²t²/3m

Ft/2m

13.

A boy pushes a book kept on a table by applying a force of 4.5 N. find the work done by the force, if book is displaced through 30 cm along the direction of push

1.10 J

1.25 J

1.35 J

None

14.

The kinetic energy of an object is K. If its velocity is doubled then its kinetic energy will be :

K/2

15.

work is done when

the object you apply a force on moves

any force is applied to an object, regardless if it moves or not

the force is zero

the force and direction of motion are perpendicular

16.

In the equation f=ma, what does the "m" stand for

acceleration

matter

mass

force

17.

Solve the following equation to find the force.

F = 10kg x 5m/s

20 newtons

50 newtons

2 newtons

50 kilometers

18.

A 10 kg object experiences a net force of 20 Newtons. Calculate the object's acceleration.

$2\ \frac{m}{s^2}$

$0.5\ \frac{m}{s^2}$

$200\ \frac{m}{s^2}$

$3.33\ \frac{m}{s^2}$

19.

Two blocks of weight 5 N and 2 N are attached to two ropes, X and Y.

The blocks hang vertically. The mass of the ropes is negligible. What is the tension in X and the tension in Y?

7N, 7N

7N, 2N

5N, 2N

5N, 3N

20.

An object has a mass of 30 kg and an acceleration of 2 m/s^2. What must be the net force on the object?

60 N

45 N

15 N

0.067 N

21.

A box is pulled by a tension force with an unknown magnitude to the right. The box experiences a constant friction force equal to 20 Newtons. The box has a mass of 10 kg and experiences an acceleration of 5 m/s^2 to the right. What must be the magnitude of the tension force applied to the right?

50 Newtons

70 Newtons

30 Newtons

150 Newtons

22.

A basketball that is thrown to the ring follows a path that is ______________.

hyperbolic

parabolic

linear

circular

23.

What happens to the vertical velocity of a projectile as it goes down?

increases

decreases

stays the same

none of these

24.

What is the horizontal acceleration of a projectile?

0 $\frac{m}{s^2}$

-9.8 $\frac{m}{s^2}$

25.

A coin tossed vertically upward and it reaches the highest point in 7.0s. at the highest point, the velocity is _______.

9.8 m/s

9.8 m/s²

98 m/s²

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Final Exam_Intervention to Physics

Total questions: 25

Worksheet time: 21mins

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