SATHEE: Kinematics Question 10

Kinematics Question 10

Question: Forces $F_{1}$ and $F_{2}$ act on a point mass in two mutually perpendicular directions. The resultant force on the point mass will be [CPMT 1991]

Options:

A) $F_{1} + F_{2}$

B) $F_{1} - F_{2}$

C) $\sqrt{F_{1}^{2} + F_{2}^{2}}$

D) $F_{1}^{2} + F_{2}^{2}$

Show Answer

Answer:

Correct Answer: C

Solution:

$F = \sqrt{F_{1}^{2} + F_{2}^{2} + 2 F_{1} F_{2} \cos 90^{\circ}}$

$= \sqrt{F_{1}^{2} + F_{2}^{2}}$

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Kinematics Question 10

Question: Forces F1 and F2 act on a point mass in two mutually perpendicular directions. The resultant force on the point mass will be [CPMT 1991]

Options:

Answer:

Solution:

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Question: Forces $F_{1}$ and $F_{2}$ act on a point mass in two mutually perpendicular directions. The resultant force on the point mass will be [CPMT 1991]