19.
The combined effect of all forces acting on an object
Answer : B. Net Force
20.
The product of the mass and velocity of an object
Answer : D. Momentum
21.
Which of the following is true A. Speed is a description of how fast an object moves. B. Velocity is how fast and in what direction it moves.
Answer : C. A and B are true
22.
Which is defined as a push or pull acting on an object.
Answer : A. Force
23.
If we drop a Basket ball and Tennis ball to ground in Moon, which hits the ground first
Answer : D. Both hits the ground at same duration
24.
The law of Universal Gravitation is credited to
Answer : A. Newton
