Physics
Easy

Question

# An object is moving at a uniform speed in a counterclockwise, horizontal circle. Which of the following images correctly depicts the force and velocity at a point in time?

Hint:

Physics

1. 29.43 m
2. 20.24 m
3. 30.48 m
4. 45.97 m

1. 29.43 m
2. 20.24 m
3. 30.48 m
4. 45.97 m
Physics

### A boy moves a tied stone above his head in circles, what is the time period of circular motion if it forms a circle of 20 cm radius. The speed of rotation is 23 m/s.

1. 0.25 s
2. Sqrt (0.05) s
3. 0.05 s
4. 0.1 s

### A boy moves a tied stone above his head in circles, what is the time period of circular motion if it forms a circle of 20 cm radius. The speed of rotation is 23 m/s.

1. 0.25 s
2. Sqrt (0.05) s
3. 0.05 s
4. 0.1 s
Physics

1. 0.5 m/s
2. 0.6 m/s
3. 0.7 m/s
4. 0.8 m/s

1. 0.5 m/s
2. 0.6 m/s
3. 0.7 m/s
4. 0.8 m/s
Physics

1. Up
2. Down
3. Left
4. Right

1. Up
2. Down
3. Left
4. Right
Physics

1. Up
2. Down
3. Left
4. Right

1. Up
2. Down
3. Left
4. Right
Physics

1. Up
2. Down
3. Left
4. Right

1. Up
2. Down
3. Left
4. Right
Physics

1. Up
2. Down
3. Left
4. Right

1. Up
2. Down
3. Left
4. Right
Physics

1.
2.
3.
4.

1.
2.
3.
4.
Physics

1. A
2. B
3. C
4. D

1. A
2. B
3. C
4. D
Physics

### An object is moving in a uniform circular motion. It is released while moving in a circular motion. It will

1. Fly out tangentially to the circular path.
2. It will fly out radially to the circular path
3. It will continue to move in circle
4. It will move towards the center of the circle.

### An object is moving in a uniform circular motion. It is released while moving in a circular motion. It will

1. Fly out tangentially to the circular path.
2. It will fly out radially to the circular path
3. It will continue to move in circle
4. It will move towards the center of the circle.
Physics

### Which statement is true about an object that is moving in a uniform circular motion?

1. The speed of the object varies.
2. The net force on the object is directed towards the center of the circular path.
3. The net force on the object is directed away from the center of the circular path.
4. The velocity of the object is constant

### Which statement is true about an object that is moving in a uniform circular motion?

1. The speed of the object varies.
2. The net force on the object is directed towards the center of the circular path.
3. The net force on the object is directed away from the center of the circular path.
4. The velocity of the object is constant
Physics

1.
2.
3.
4.

1.
2.
3.
4.
Physics

### When is an object said to be accelerated?A student writes the following points: When there is change in speed. When there is change in direction. When there is change in the magnitude of the velocity. Identify the correct option/s.

1. Option a and b
2. Option b and c
3. Option a and c
4. Option a, b and c

### When is an object said to be accelerated?A student writes the following points: When there is change in speed. When there is change in direction. When there is change in the magnitude of the velocity. Identify the correct option/s.

1. Option a and b
2. Option b and c
3. Option a and c
4. Option a, b and c
Physics

Physics

### If there is a change in the rate of rotation, then the circular motion will be _______.

1. Uniform
2. Nonuniform
3. Constant
4. Accelerated

### If there is a change in the rate of rotation, then the circular motion will be _______.

1. Uniform
2. Nonuniform
3. Constant
4. Accelerated