1. | along south-west |
2. | along eastward |
3. | along northward |
4. | along north-east |
Assertion (A): | A standing bus suddenly accelerates. If there was no friction between the feet of a passenger and the floor of the bus, the passenger would move back. |
Reason (R): | In the absence of friction, the floor of the bus would slip forward under the feet of the passenger. |
1. | (A) is true but (R) is false. |
2. | (A) is false but (R) is true. |
3. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
A particle moving with velocity \(\vec{v}\) is acted by three forces shown by the vector triangle \(\mathrm{PQR}.\) The velocity of the particle will:
1. | change according to the smallest force \(\overrightarrow{Q R}\) |
2. | increase |
3. | decrease |
4. | remain constant |