Question

1. Which of the following is vector quantity?
(a) Distance
b) Displacement
(c) Velocity
(d) Both (b) and (c)
2. A ball is thrown vertically upwards. It rises to a height of
50 m and comes back to the thrower,
(a) the total distance covered by the ball is zero,
(b) the net displacement of the ball is zero.
(c) the displacement is 100 m.
d) none of these.
3. The shortest distance between two points is called :
(a) path length
(b) displacement
(c) speed
(d) none of these
4. Define uniform and non uniform motion.
5. Which of the following is most likely not a case of uniform
circular motion?
(a) Motion of the earth around the sun
(b) Motion of a toy train on a circular track
(c) Motion of a racing car on a circular track
(d) Motion of hours' hand on the dial of a clock
6. In which of the following cases of motions, the distance
moved and the magnitude of the displacement are equal?
(a) If the car is moving on a straight road
(b) If the car is moving in circular path
(c) The pendulum is moving to and fro
(d) The earth is moving around the sun
7. What is difference between distance and displacement?
8. Write down difference between scaler and vector
quantities.

Answer 1

Answer:

1. d) both b and C

Explanation:

2. b) the net displacement of the ball is zero.

3. (b) displacement

5.(c) Motion of a racing car on a circular track

6, a) If the car is moving on a straight road