Question Detail

PHY 101 PHY 101 Past Questions Objective Question
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Question

Two forces act on a 2 kg block: 100 N at 170° and 100 N at 50°. Find the resultant force.
Options
A 200 N at 110°
B 100 N at 110°
C 100 N at 10°
D 141 N at 110°
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Use law of cosines: R = sqrt(100² + 100² - 2100100*cos(120°)) = 141 N. Angle θ = 110°.

Hint

Vector addition via law of cosines and sines.

Question Info

Course: PHY 101
Topic: PHY 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 246 of 1250
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