26. For a body moving with constant speed in a horizontal circle, which of the following remains constant?

1. 1. Velocity

   
   
   

   2. Acceleration

   
   
   

   3. Centripetal force

   
   
   

   4. KE

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

---

27. The intensity of the earth's gravitational field is maximum at

1. 1. The equator

   
   
   

   2. The centre of the earth

   
   
   

   3. The pole

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

---

28. Two masses, each equal to m, are attached to one another by a massless string passing over a smooth pulley the tension in the string is

1. 1. mg

   
   
   

   2. 2 mg

   
   
   

   3. mg / 2

   
   
   

   4. zero

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

---

29. A car accelerates from rest with acceleration 1.2 m/s². A bus moves with constant speed of 12 m/s in a parallel lane. How long does the car take from its start to meet the bus.

1. 1. 17 s

   
   
   

   2. 8 s

   
   
   

   3. 20 s

   
   
   

   4. 12 s

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

---

30. The ratio of the inertial mass to gravitational mass is equal to

1. 1. 1 / 2

   
   
   

   2. 1

   
   
   

   3. 2

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

---