Force Exe-1C MCQs Concise Class 10 ICSE Selina Solutions. Answer of Multiple choice Questions of Class 10 Physics of latest publications. Visit official website CISCE for detail information about ICSE Board Class-10.
Force Exe-1C MCQs Concise Class 10 ICSE Selina Solution.
| Board | ICSE |
| Class | 10 |
| Subject | Physics |
| Book Name | Concise |
| Publications | Selina Publishers |
| Exe-1C | Uniform Circular motion. |
| Topics | Solution of MCQs |
| Session | 2025-26 |
Force Exe-1C MCQs
Concise Class 10 ICSE Selina Solution
Que-1: Which of the following quantities remains constant in uniform circular motion?
1.Velocity
2.Speed
3.Acceleration
4.Both velocity and speed
Ans. Speed
Hint: where an object travels along a circular path at a constant speed, the direction of motion changes. in uniform circular motion. in the presence of motion. then the velocity changes due to change in direction and speed remains constant.
Que-2: The direction of motion in circular motion
1.is linear
2.is along the tangent at that point of the circular path
3.towards the center
4.none of these
Ans. is along the tangent at that point of the circular path.
Hint: the direction of motion of an object is along the tangent at that point of the circular path. However where the object is in circular motion the object is located at any given moment.
Que-3: The direction of centripetal force is always :
1.along the tangent at that point of the circular path
2.towards the center
3.outwards from the center
4.none of the above
Ans. towards the center
Hint: The centripetal force is responsible for keeping the center of the circular path. an object moving along the curved path by continuously changing its direction towards the center without altering its speed. the direction of motion, pointing inward, towards the center of the circular path. when the force act perpendicularly.
Que-4: Centrifugal force is :
1.a real force
2.the force of reaction of centripetal force
3.a fictitious force
4.directed towards the center of the circular path
Ans. a fictitious force
Hint: The fictitious force is defined as the centrifugal force means centrifugal force is also known as fictious force. because it is assumed to exist only to explain observations. who is also moving in a circular motion along with the object .
Que-5: The difference between centrifugal force and centripetal force is :
1.they both act in the same direction
2.they both act in opposite direction
3.they both have different magnitudes
4.none of the above
Ans. they both act in opposite direction
Hint: the center of the circle both act in opposite direction. whereas centrifugal force is a real force. is an assumed force which acts away Both the forces act in opposite directions. from the center of circle.
Que-6: Which of the following is an example of uniform circular motion?
1.a car accelerating on a straight road
2.a pendulum swinging back and forth
3.a satellite orbiting the earth at a constant altitude
4.a ball rolling down a hill
Ans. a satellite orbiting the earth at a constant altitude
Hint: the Earth at a constant altitude experiences uniform circular motion because. A satellite orbiting it maintains a constant speed. a circular path around the earth continuously.
.The pendulum exist as periodic motion. when it swings back and four due to gravity but it is not circular motion.
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