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This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
1. |
A bus weighing 12kN has speed of 20 ms-1. Its kinetic energy is |
A. | 210 kJ |
B. | 230 kJ |
C. | 240 kJ |
D. | 250 kJ |
Answer» D. 250 kJ | |
2. |
A boy has pulled a cart through 40 m applying a force of 200 N. The work done by him is |
A. | 7500 J |
B. | 8000 J |
C. | 5000 J |
D. | 9000 J |
Answer» C. 5000 J | |
3. |
A body of mass 35 kg is raised to a height of 4 m. If g = 10 ms-2, its potential energy will be |
A. | 1400 J |
B. | 1500 J |
C. | 1300 J |
D. | 1600 J |
Answer» B. 1500 J | |
4. |
A block weighing 18 N is lifted 7 m vertically upward. The potential energy stored in it is |
A. | 126 J |
B. | 120 J |
C. | 130 J |
D. | 124 J |
Answer» B. 120 J | |
5. |
1 horse power is equal to |
A. | 320 W |
B. | 100 W |
C. | 1000 W |
D. | 746 W |
Answer» E. | |