Free Printable Physics Unit 1

1.

Convert 450 N to pounds (lbs)

a)

101 lb

b)

990 lb

c)

2,002.5 lb

d)

204.5 lb

2.

Convert 20,000 feet to meters

a)

6,098 m

b)

12 m

c)

3.8 m

d)

65,600 m

3.

Convert 85 mi/hr to m/s

a)

38 m/s

b)

125 m/s

c)

190 m/s

d)

2,279 m/s

4.

Convert 2,500 rad/s to rev/min

a)

23,873 rev/min

b)

1,432, 395 rev/min

c)

235,619 rev/min

d)

262 rev/min

5.

Write the following number into scientific notation:

45,000,000 N

a)

$4.5\ x\ 10^{7^{ }}$ N

b)

$4.5\ x\ 10^6$ N

c)

$4.5\ x\ 10^{-7}$ N

d)

$4.5\ x\ 10^{-6}$ N

6.

Write the following number in scientific notation:

0.000000000088 s

a)

$8.8\ x\ 10^{-11}$ s

b)

$8.8\ x\ 10^{11}$ s

c)

$8.8\ x\ 10^{-10}$ s

d)

$8.8\ x\ 10^{10}$ s

7.

Write the following number in scientific notation with a prefix:

$5.8\ x\ 10^6$ m

a)

5.8 Mm

b)

58 Mm

c)

5.8 $\mu m$

d)

58 $\mu m$

8.

Write the following number in scientific notation with a prefix:

$9.22\ x\ 10^{-12}$ s

a)

9.22 ps

b)

922 ps

c)

9.22 Ts

d)

922 Ts

9.

Write the following number in scientific notation with a prefix:

$6.4\ x\ 10^{10}$ Hz

a)

64 GHZ

b)

640 pHz

c)

640 THz

d)

64 nHz

10.

Write the following number in scientific notation with a prefix:

$7.1\ x\ 10^{-7}$ J

a)

710 nJ

b)

71 MJ

c)

7.1 $\mu J$

d)

710 GJ

11.

Complete the unit analysis for the following equation:

$m\ =\ \frac{2K}{v}$

m is mass; K is kinetic energy; and v is velocity

a)

No

$kg\cdot\frac{m}{s}$

b)

Yes

kg = kg

c)

No

$kg\ =\ kg\cdot\frac{m^2}{s^3}$

12.

Complete unit analysis on the following equation:

$h\ =\ \frac{U}{mg}$

h is height; U is potential energy; m is mass; and g is gravity

a)

Yes

m = m

b)

No

m = kg*m

c)

No

$m\ =\ \frac{m^3}{s^4}$

13.

Complete unit analysis for the following equation:

$v\ =\ \sqrt[]{\frac{Fr}{m}}$

v is velocity; F is force; r is radius; and m is mass

a)

Yes

$\frac{m}{s}\ =\ \frac{m}{s}$

b)

No

$\frac{m}{s}\ =\ kg\cdot\frac{m}{s}$

c)

No

$\frac{m}{s}\ =\ ms$

14.

Complete unit analysis on the following equation:

$W\ =\ \frac{F}{d}$

W is work; F is force; and d is distance

a)

No

$kg\cdot\frac{m^2}{s^2}\ =\ \frac{kg}{s^2}$

b)

Yes

$kg\cdot\frac{m^2}{s^2}\ =\ kg\cdot\frac{m^2}{s^2}$

c)

No

$kg\cdot\frac{m^2}{s^2}\ =\ kg\cdot\frac{m^2}{s}$

15.

Complete unit analysis on the following equation:

$v\ =\ v_{o_{ }}+\ at^2$

v is velocity; a is acceleration; and t is time

a)

No

$\frac{m}{s}\ =\ \frac{m}{s}\ +\ m$

b)

Yes

$\frac{m}{s}\ =\ \frac{m}{s}\ +\ \frac{m}{s}$

c)

No

$\frac{m}{s}\ =\ \frac{m}{s}\ +\ \frac{m}{s^4}$

16.

Solve for initial velocity ( $v_o$ ) in the following equation:

$x\ =\ v_ot\ +\ \frac{1}{2}at^2$

a)

$v_o\ =\ \frac{x-\frac{1}{2}at^2}{t}$

b)

$v_o\ =\ x-\frac{1}{2}at^2$

c)

$v\ =\ \frac{x\left(\frac{1}{2}at^2\right)}{t}$

17.

Solve for the spring constant (k) in the following equation:

$T\ =\ 2\pi\sqrt[]{\frac{m}{k}}$

a)

$k\ =\ \frac{m}{\left(\frac{T}{2\pi}\right)^2}$

b)

$k\ =\ m\left(\frac{T}{2\pi}\right)^2$

c)

$k\ =\ \frac{\left(\frac{T}{2\pi}\right)}{m}$

18.

Solve for the displacement (x) in the following equation:

$W\ =\ \frac{1}{2}kx^2$

a)

$x\ =\ \sqrt[]{\frac{2W}{k}}$

b)

$x\ =\ \sqrt[]{Wk}$

c)

$x\ =\ \frac{2W}{k}$

19.

Solve for mass (m) in the following equation:

$F\ =\ \frac{mv^2}{r}$

a)

$m\ =\ \frac{Fr}{v^2}$

b)

$m\ =\ \frac{Fv^2}{r}$

c)

$m\ =\ \sqrt[]{\frac{Fr}{v^2}}$

20.

Solve for time (t) in the following equation:

$x\ =\ \frac{1}{2}\left(v+v_o\right)t$

a)

$t\ =\ \frac{2x}{\left(v+v_o\right)}$

b)

$t\ =\ \frac{1}{2}\left(v-v_o\right)x$

c)

$t\ =\ 2x\ -\left(v+v_o\right)$

Physics Unit 1

Total questions: 20

Worksheet time: 10mins

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