MCQOPTIONS
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MCQOPTIONS
This section includes 4 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 variable force is the force that only increases with time. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
A car having a mass of 1 metric ton is moving with a speed of 30 m/s. It suddenly applies the brakes and skids to rest in a certain distance d. The frictional force between the tyres and road is 6000 N. What is the value of d? |
| A. | 25 m |
| B. | 50 m |
| C. | 75 m |
| D. | 100 m |
| Answer» D. 100 m | |
| 3. |
The work-energy theorem is valid only for positive work done. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
For a body moving from position Xa to position Xb under a variable force, what is the work done? |
| A. | W = F * (X2 X1) |
| B. | -W = F * (X2 X1) |
| C. | W = -F * (X2 X1) |
| D. | W = F * (X1 X2) |
| Answer» B. -W = F * (X2 X1) | |