Physics
Grade-7
Easy
Question
Direction : What is the new kinetic energy of an object of mass m when its mass becomes
5 m
- 5 KE

- 25 KE

Hint:
5 KE
The correct answer is: 5 KE
Related Questions to study
Physics
Direction : What is the new kinetic energy of an object of mass m when its mass becomes

- 3 KE
- 9 KE
Direction : What is the new kinetic energy of an object of mass m when its mass becomes

PhysicsGrade-7
- 3 KE
- 9 KE
Physics
What is the new kinetic energy of a body of mass m, moving at a velocity, v, when its velocity becomes 2v
- 4 KE
- 16 KE
What is the new kinetic energy of a body of mass m, moving at a velocity, v, when its velocity becomes 2v
PhysicsGrade-7
- 4 KE
- 16 KE
Physics
What is the new kinetic energy of a body of mass m, moving at a velocity, v, when its velocity becomes 4v
- 16 KE
- 4 KE
What is the new kinetic energy of a body of mass m, moving at a velocity, v, when its velocity becomes 4v
PhysicsGrade-7
- 16 KE
- 4 KE
Physics
What is the new kinetic energy of a body of mass m, moving at a velocity, v, when its velocity becomes v/4
- 16 KE
- 4 KE
What is the new kinetic energy of a body of mass m, moving at a velocity, v, when its velocity becomes v/4
PhysicsGrade-7
- 16 KE
- 4 KE
Physics
Direction : What is the new kinetic energy of an object of mass m when its mass becomes
3 m
- 3 KE
- 9 KE
Direction : What is the new kinetic energy of an object of mass m when its mass becomes
3 m
PhysicsGrade-7
- 3 KE
- 9 KE
Physics
Which one of the two bodies shown below has more kinetic energy when velocity is constant?

- 2 kg
- 6 kg
- Both
- None
Which one of the two bodies shown below has more kinetic energy when velocity is constant?

PhysicsGrade-7
- 2 kg
- 6 kg
- Both
- None
Physics
Identify the odd one out.
- A flying bird
- Flowing wind
- A moving tractor
- A standing athlete
Identify the odd one out.
PhysicsGrade-7
- A flying bird
- Flowing wind
- A moving tractor
- A standing athlete
Physics
Kinetic energy is
- The energy of a body due to its motion
- The energy of a body due to its position
- The energy of a body due to its height
- The energy of a body due to its shape
Kinetic energy is
PhysicsGrade-7
- The energy of a body due to its motion
- The energy of a body due to its position
- The energy of a body due to its height
- The energy of a body due to its shape
Physics
Mass is ____ proportional to the kinetic energy.
- Directly
- Inversely
- Initially directly and then inversely
- Initially inversely and then directly
Mass is ____ proportional to the kinetic energy.
PhysicsGrade-7
- Directly
- Inversely
- Initially directly and then inversely
- Initially inversely and then directly
Physics
What is the mass of the dark blue-colored car?

- 500 Kg
- 1000 Kg
- 1500 Kg
- 2000 Kg
What is the mass of the dark blue-colored car?

PhysicsGrade-7
- 500 Kg
- 1000 Kg
- 1500 Kg
- 2000 Kg
Physics

What is the value of the kinetic energy when the velocity of the object is
100 km/h for the green car (first graph from top)
- 1000 KJ
- 1100 KJ
- 1200 KJ
- 1300 KJ

What is the value of the kinetic energy when the velocity of the object is
100 km/h for the green car (first graph from top)
PhysicsGrade-7
- 1000 KJ
- 1100 KJ
- 1200 KJ
- 1300 KJ
Physics
Which one of the two masses shown below has less kinetic energy when both have the same speed?

- 1 kg
- 4 kg
- None
- Both
Which one of the two masses shown below has less kinetic energy when both have the same speed?

PhysicsGrade-7
- 1 kg
- 4 kg
- None
- Both
Physics

What is the value of the kinetic energy when the velocity of the object is
80 km/h for LIGHT blue car (second line from top)
- 500 KJ
- 600 KJ
- 700 KJ
- 800 KJ

What is the value of the kinetic energy when the velocity of the object is
80 km/h for LIGHT blue car (second line from top)
PhysicsGrade-7
- 500 KJ
- 600 KJ
- 700 KJ
- 800 KJ
Physics
Which one of the two masses shown below has more kinetic energy when both have the same speed?

- 7 kg
- 12 kg
- Both
- None
Which one of the two masses shown below has more kinetic energy when both have the same speed?

PhysicsGrade-7
- 7 kg
- 12 kg
- Both
- None
Physics

What is the value of the kinetic energy when the velocity of the object is
60 Km/h for the violet car (fourth line from top)
- 100 KJ
- 150 KJ
- 200 KJ
- 250 KJ

What is the value of the kinetic energy when the velocity of the object is
60 Km/h for the violet car (fourth line from top)
PhysicsGrade-7
- 100 KJ
- 150 KJ
- 200 KJ
- 250 KJ