Physics Homework Aid

Physics holds significant importance among the natural sciences, elucidating life's wonders and ranking among the most challenging subjects to master.

QuestionAI is a rich and user-friendly physics problem solver for novice physicists, enabling exploration of atomic properties and interactions, alongside molecular trajectories under various forces. Furthermore, you can delve into the mysteries concealed amidst galaxies with fellow physics enthusiasts. Boldly pose your conjectures and queries to the AI, and authoritative answers will readily emerge.

21. A lift of mass Mis suspended from a cable. The lift descends with a downward acceleration, a. A frictional force Facis on the lift. What is the tension Tin the cable? A T=Ma+F B T=Ma-F C T=M(g+a)-F D T=M(g-a)-F

13. A force of 20 N at angle of 30^circ to the horizontal and a force F_(2) at an angle of 60^circ to the horizontal are applied on an object as shown in the Figure below so as to make the object in equilibrium. Calculate the magnitude of the force F_(2) and weight of the object. square

12. A beam pivoted at one end has a force of 5.0 N acting vertically upwards on it as shown in the Figure below. What is the weight of the beam?

12. An athlete applies a force to a wall and becomes exhausted . Was there any work done? a. Yes, the wall moved b. Yes, the athlete became exhausted c. No, the wall did not move d. No, the athlete became exhausted

latch the following terms with their units: 1. Velocity A. mathrm(m) / mathrm(s)^2 2. Time B. mathrm(m) 3. Distance C. mathrm(s) 4. Acceleration D. J Energy E. mathrm(m) / mathrm(s) 11. 12. 3. 4. 5.