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

Physics

### 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?

PhysicsGrade-10

- Object’s mass
- Object’s shape
- Object’s speed
- Distance between the object and the axis point

Physics

### What is the angle between the velocity vector and the centripetal force?

- 0 degree
- Less than 90 degrees
- 90 degrees
- More than 90 degrees

### What is the angle between the velocity vector and the centripetal force?

PhysicsGrade-10

- 0 degree
- Less than 90 degrees
- 90 degrees
- More than 90 degrees

Physics

### 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

Physics

### Centripetal force points towards the:

- Outside of the circle
- Centre of the circle
- Boundary of the circle
- Tangential to the circle

### Centripetal force points towards the:

PhysicsGrade-10

- Outside of the circle
- Centre of the circle
- Boundary of the circle
- Tangential to the circle

Physics

### 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)

Physics

### 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

Physics

### 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?

PhysicsGrade-10

- 300 N
- 50 N
- 200 N
- 100 N

Physics

### A person kicks a ball, and the ball changes its direction. This is the inertia of direction.

This statement is

- True
- 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

Physics

### 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 _______.

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

### 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

Physics

### What is Newton’s first law?

- 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.

### 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