mymasonportal.gmu.edu Home Page- PHYS-243-001 (Fall 2018) Take Test: Week 5\"For
ID: 1884309 • Letter: M
Question
mymasonportal.gmu.edu Home Page- PHYS-243-001 (Fall 2018) Take Test: Week 5"Forces" part 2 2018-PHY Physics question | Chegg.com Two Forces Are Exerted On A 23 Kg Box F Two Forces Are Exerted On A 10 Kg Box: F1... Question Completion Status: What is the magnitude of the net force acting on the ball? (round your answer to the nearest integer) Newtons What is the direction (to +x) of the net force? (specify the angle, round to the nearest integer) degrees QUESTION 14 1 points Save Answer Three forces are exerted on a 1 kg ball: F1 -20 N, F2 20 N and F3 20 N. The forces are oriented at 120 degrees to each other as shown in figure below. Choose right as positive direction. What is the magnitude of the net force acting on the ball? (round your answer to the nearest integer) Newtons QUESTION 15 3 points Saved Five forces are exerted on a 1 kg ball as shown in figure below. Choose right as positive direction. Click Save and Submit to save and submit. Cick Save All Answers to save ail ansuwers. Save All Answers Close Window Save and SubmitExplanation / Answer
Forces on ball in vector form,
F1 = 20 j
F2 = 20*cos 30 i - 20*sin 30 j = 17.32 i - 10 j
F3 = -20*cos 30 i - 20*sin 30 j = -17.32 i - 10 j
Net force acting on the ball,
F = F1 + F2 + F3
F = 20 j + ( 17.32 i - 10 j) + (-17.32 i - 10 j)
F = (17.32 i - 17.32 i) + (20 j - 20 j)
F = 0
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.