Which of the following defines force?
Newton 's first law of motion
Newton 's second law of motion
Newton 's third law of motion
All the above
Which satellite is used to map regions of Earth's surface?
Natural satellites
Artificial satellites
Geostationary satellites
Monitoring satellites
A device which is useful for analyzing motion in laboratory is
Galvanometer
Ammeter
Motion sensor
If we know initial velocity (u), final velocity (v) and time (t). Then the equation for acceleration is
Communication satellites circle the earth in its orbit
Below the equator
At the equator
Above the equator
Depends on the size of the satellite
Which of the following defines inertia?
Newton’s first law of motion
Newton’s second law of motion
Newton’s third law of motion
Rate of change of velocity with time is called
Average speed
Acceleration
Average velocity
Speed
What is the K. E of a football of mass 0.4 kg, moving with velocity 20 m/s?
8 J
80 J
0.8 J
0.08 J
The ratio of the total distance travelled by the body to the total time of journey is called
The velocity
The average speed
The acceleration
The speed
The energy possessed by a body by virtue of its position is called
Kinetic energy
Potential energy
Gravitational energy
Electrical energy