Physics Past QuestionsQuestion 4541:A force F is applied to a body P as shown in the diagram above. If the body moves through a distance, a, which of the following represents the work done? A. Fa B. Fa Cos θ C. \(\frac{Fa}{\cos \theta}\) D. FaSin θ E. \(\frac{Fa}{\sin \theta}\) Question 4542:In which of these fields are repulsive forces NOT experienced? I. Magnetic field II. Gravitational field III. Electric field A. I only B. II only C. III only D. I and III only E. II and III only Question 4543:The component of a vector in a given direction is ____________ A. Equal to the magnitude of the resultant vector in that direction B. Equal to the magnitude of the resultant vector in the opposite direction C. Its effective magnitude D. Its effective value in that direction E. Its effective value in the opposite direction Question 4544:A plane which is Inclined at an angle of 30 ° to the horizontal has a velocity ratio of ____________ A. 2 B. 1 C. 0.87 D. 0.67 E. 0.5 Question 4545:A mass of 5kg is suspended from the ceiling of a lift with a light inextensible string. As the lift moves upwards with an acceleration of 2ms-2, the tension in the string is [g = 10ms-2] A. 25N B. 40N C. 50N D. 60N E. 70N |
|
| ||||||
Disclaimer All Views, Names, Acronyms, Trademarks, Expressed on this website are those of their respective owners. Please note that www.schoolngr.com is not affiliated with any of the institutions featured in this website. It is always recommended to visit an institutions or sources official website for more information. In the same vein, all comments placed here do not represent the opinion of schoolngr.com SCHOOLNGR - © 2020 - 2024 - Tayo Hammed | Terms Of Service | Copyright | Privacy Policy |