Physics
Grade-10
Easy
Question
Which of the following depicts the speed of the ball moving in a uniform circular path?
- A
- B
- C
- D
Hint:
The velocity at any point in a uniform circular motion is given by tangent to that point in the direction of motion .
The correct answer is: C
The velocity at any point in a uniform circular motion is given by tangent to that point in the direction of motion .
SO C is showing velocity
Related Questions to study
Physics
Which represents the acceleration of the ball moving in a uniform circular path.
- A
- B
- C
- D
Which represents the acceleration of the ball moving in a uniform circular path.
PhysicsGrade-10
- A
- B
- C
- D
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On which factor does the centripetal force not depend?
- Object’s mass
- Object’s shape
- Object’s speed
- Distance between the object and the axis point
On which factor does the centripetal force not depend?
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- Object’s mass
- Object’s shape
- Object’s speed
- Distance between the object and the axis point
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What is the angle between the velocity vector and the centripetal force?
- 0 degree
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- 90 degrees
- More than 90 degrees
What is the angle between the velocity vector and the centripetal force?
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- 0 degree
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- 90 degrees
- More than 90 degrees
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Which Newton’s law is responsible for centripetal force?
- Newton’s first law of motion
- Newton’s second law of motion
- Newton’s third law of motion
- Universal law of motion
Which Newton’s law is responsible for centripetal force?
PhysicsGrade-10
- Newton’s first law of motion
- Newton’s second law of motion
- Newton’s third law of motion
- Universal law of motion
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Centripetal force points towards the:
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- Centre of the circle
- Boundary of the circle
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Centripetal force points towards the:
PhysicsGrade-10
- Outside of the circle
- Centre of the circle
- Boundary of the circle
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What is the rate of change of momentum of the following box.
- m(v - u)
- m(v + u)
What is the rate of change of momentum of the following box.
PhysicsGrade-10
- m(v - u)
- m(v + u)
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Seat belts are used to prevent injuries in case of fast-moving car as seat belts increase the time duration thus decreasing the effect.
Which law is being followed here?
- Newton’s first law of motion
- Newton’s second law of motion
- Newton’s third law of motion
- More than 2 law of motion
Seat belts are used to prevent injuries in case of fast-moving car as seat belts increase the time duration thus decreasing the effect.
Which law is being followed here?
PhysicsGrade-10
- Newton’s first law of motion
- Newton’s second law of motion
- Newton’s third law of motion
- More than 2 law of motion
Physics
Force is applied to an object of mass 2 Kg at rest such that it acquires a speed of 50m/s after 2 seconds. What is the net force applied?
- 12.5 N
- 500 N
- 50 N
- 625 N
Force is applied to an object of mass 2 Kg at rest such that it acquires a speed of 50m/s after 2 seconds. What is the net force applied?
PhysicsGrade-10
- 12.5 N
- 500 N
- 50 N
- 625 N
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An object of mass 50 Kg acquires the final velocity of 7 m/s from 5 m/s after 2 seconds. What is the net force applied?
- 300 N
- 50 N
- 200 N
- 100 N
An object of mass 50 Kg acquires the final velocity of 7 m/s from 5 m/s after 2 seconds. What is the net force applied?
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- 300 N
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- 200 N
- 100 N
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A person kicks a ball, and the ball changes its direction. This is the inertia of direction.
This statement is
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- False
A person kicks a ball, and the ball changes its direction. This is the inertia of direction.
This statement is
PhysicsGrade-10
- True
- False
Physics
What is the time taken to move a box 16 m from rest if a force of 5 N is applied?
- – 12.64 s
- 15 s
- -15 s
- 12.64 s
What is the time taken to move a box 16 m from rest if a force of 5 N is applied?
PhysicsGrade-10
- – 12.64 s
- 15 s
- -15 s
- 12.64 s
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Bikers have a mud guard at the back of their bike, near the tires. This is due to _______.
- Newton’s first law of motion
- Newton’s second law of motion
- Newton’s third law of motion
- More than 2 law of motion
Bikers have a mud guard at the back of their bike, near the tires. This is due to _______.
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- Newton’s first law of motion
- Newton’s second law of motion
- Newton’s third law of motion
- More than 2 law of motion
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A person needs to apply more force to move a car as compared to a bike by applying a push. This is due to ________.
- Newton’s first law of motion
- Newton’s second law of motion
- Newton’s third law of motion
- More than 2 law of motion
A person needs to apply more force to move a car as compared to a bike by applying a push. This is due to ________.
PhysicsGrade-10
- Newton’s first law of motion
- Newton’s second law of motion
- Newton’s third law of motion
- More than 2 law of motion
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What is Newton’s first law?
- F = ma
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- An object at rest stays at rest, an object in motion stays in motion.
- An object in motion comes to rest, an object at rest starts in motion even if no external force is applied.
What is Newton’s first law?
PhysicsGrade-10
- F = ma
- Every action has an equal and opposite reaction.
- An object at rest stays at rest, an object in motion stays in motion.
- An object in motion comes to rest, an object at rest starts in motion even if no external force is applied.
Physics
Identify the incorrect statement.
- Action and reaction forces always act in pairs
- Action and reaction forces are always equal in magnitude
- Action and reaction forces are opposite in direction.
- None of the above
Identify the incorrect statement.
PhysicsGrade-10
- Action and reaction forces always act in pairs
- Action and reaction forces are always equal in magnitude
- Action and reaction forces are opposite in direction.
- None of the above
