• A. 5 N
• B. 9.8 N
• C. 4.9 N
• D. 10 N

Answer: Option A

Explanation:

• A. 1500
• B. 2000
• C. 2500
• D. 3000

Answer: Option D

Explanation:

• A. 22.5 N
• B. 40 N
• C. 30 N
• D. 27.5 N

Answer: Option B

Explanation:

• A. $\pm \frac{{\displaystyle \stackrel{\wedge }{i}}+{\displaystyle \stackrel{\wedge }{j}}}{\sqrt{2}}$
• B. $\pm \frac{{\displaystyle \stackrel{\wedge }{k}}}{\sqrt{2}}$
• C. $\pm \frac{{\displaystyle \stackrel{\wedge }{i}}+{\displaystyle \stackrel{\wedge }{j}}}{\sqrt{44}}$
• D. $\pm \frac{{\displaystyle \stackrel{\wedge }{i}}+{\displaystyle \stackrel{\wedge }{j}}}{2\sqrt{2}}$

Answer: Option A

Explanation:

• A. 100 J
• B. $1.96\times {10}^{-3}J$
• C. $5\times {10}^{-3}J$
• D. $6\times {10}^{-3}J$

Answer: Option B

Explanation:

• A. $8\times {10}^{-26}$
• B. $5\times {10}^{-8}$
• C. $2\times {10}^{-8}$
• D. $0$

Answer: Option D

Explanation:

• A. $1\times {10}^{-18}$
• B. $5\times {10}^{-19}$
• C. $1\times {10}^{-19}$
• D. $5\times {10}^{-20}$

Answer: Option A

Explanation:

• A. $0.64 kg{m}^{2}s{-}^1$
• B. $32 kg{m}^{2}s{-}^1$
• C. $0.32 kg{m}^{-2}{s}^{-1}$
• D. $0.32 kg{m}^{-1}{s}^{-1}$

Answer: Option C

Explanation:

• A. $\frac{2}{n}$
• B. $\frac{n}{2}$
• C. $\frac{\sqrt{2}}{n}$
• D. $2$

Answer: Option D

Explanation:

• A. 0.5 kg
• B. 1 kg
• C. 1.5 kg
• D. 2 kg

Answer: Option A

Explanation:

• A. 4
• B. 5
• C. 6
• D. 10

Answer: Option D

Explanation:

• A. 10.0 m
• B. 10.1 m
• C. 10.2 m
• D. 10.3 m

Answer: Option C

Explanation:

• A. $\pi$
• B. $\frac{\pi }{2}$
• C. $\frac{3\pi }{2}$
• D. $2\pi$

Answer: Option B

Explanation:

• A. 21.44 N
• B. 24.21 N
• C. 21.24 N
• D. 24.44 N

Answer: Option A

Explanation:

• A. $2\mathrm{m}/{\mathrm{s}}^2$
• B. $3\mathrm{m}/{\mathrm{s}}^2$
• C. $4\mathrm{m}/{\mathrm{s}}^2$
• D. $5\mathrm{m}/{\mathrm{s}}^2$

Answer: Option D

Explanation: