Final Physics Daily Quiz 14

(a) Flight of a jet plane

(b) A cricket player lowering his hands while catching a cricket ball

(c) Walking on floor

(d) Rebounding of a rubber ball

(a) first law of motion

(b) second law of motion

(c) third law of motion

(d) Newton’s law of gravitation

(a) 1 joule 

(b) 100 joule

(c) 36 joule 

(d) 3.6 × 10^3 kilo joule

(a) only the potential energy goes on increasing

(b) only the kinetic energy goes on increasing

(c) both kinetic energy as well as potential energy go on increasing

(d) the kinetic energy goes on increasing while potential energy goes on decreasing

(a) the gravity does not act on bodies moving with high speeds

(b) the thrust of the jet compensates for the force of gravity

(c) the flow of air around the wings causes an upward force, which compensates for the force of gravity

(d) the weight of air whose volume is equal to the volume
of the plane is more than the weight of the plane