Why a body weighs more at the poles than at the equator?
Q.1. Why a body weighs more at the poles than at the equator?
Ans. Since gp > ge, therefore, mgp>mge.
Q.2. Where will a body weigh more: 1 km above the surface of the earth or 1 km below the surface of the earth?
Ans. The body will weigh more at a depth of 1 km below the surface of the earth.
Q.3. What is the effect on the weight of a body due to the revolution of the earth?
Ans. No effect.
Q.4. The value of g remains same at all places on the surface of the earth. Is this statement true?
Ans. No, the value of g is maximum at the poles and minimum at the equator.
Q.5. At what point in its trajectory does a projectile have its (i) maximum speed and (ii) minimum speed.
Ans. The projectile has its maximum speed at its point of projection and minimum speed at the highest point.
Q.6. What is the name given to the path followed by a projectile?
Ans. Trajectory.
Q.7. What is the shape of the path followed by a projectile?
Ans. Parabola.
Q.8. What is the acceleration due to gravity at the centre of the earth?
Ans. Zero.
Q.9. What is the gravitational force between the earth and a body called?
Ans. Force of gravity.
Q.10. What is meant by free fall ?
Ans. It is a state when a body falls freely under the effect of gravity.
Follow on Facebook page – Click Here
Google News join in – Click Here
Read More Asia News – Click Here
Read More Sports News – Click Here
Read More Crypto News – Click Here