Download App

Motion — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceMotion1 Mark
MCQ
  1. y = constant: Uniform motion
  2. a = constant: __________
  • A
    Non-uniformly accelerated.
  • B
    Uniformly accelerated.
  • C
    v = 0 at, t = 0.
  • D
    Circular motion.
✓

Answer

  1. v = 0 at, t = 0.

Explanation:

No, when a body is under uniform acceleration doesn't mean that it is under uniform motion. Uniform acceleration means, that the velocity of body is changing with a constant rate. Uniform motion is the kind of motion in which a body covers equal distances in equal intervals of time. It means that speed is constant.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Motion→Motion — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

An object oscillates 50 times in one second. What would be its frequency?
→
Meristematic tissues lacks:
→
Which of the following represents the correct electron distribution in magnesium ion?
→
Organelle other than nucleus, containing DNA is:
→

When a car driver travelling at a speed of 10m/s applies brakes and brings the car to rest in 20s, then retardation will be:

    →
    The property/ properties which enable copper metal to be used for making electric wires is/ are:
    1. Copper metal is malleable and ductile.
    2. Copper metal is a good conductor of electricity.
    3. Copper metal is ductile and has low electrical resistance.
    4. Copper metal is sonorous and an excellent conductor of electricity.
    →

    Cylindrical muscle fibres which show alternate light and dark bands are:

    1. Smooth muscle.
    2. Cardiac muscle fibres.
    3. Tendons.
    4. Striated muscle fibres.
    →
    Which of the following pair of elements represents a mole ratio of 1 : 1?
    1. 10g of calcium and 12g of magnesium.
    2. 12g of magnesium and 6g of carbon.
    3. 12g of carbon and 20g of calcium.
    4. 20g of sodium and 20g of calcium.
    →

    A rectangular wooden block has length, breadth and height of 50 cm, 25cm and 10cm, respectively. This wooden block is kept on ground in three different ways, turn by turn. Which of the following is the correct statement about the pressure exerted by this block on the ground?

    1. The maximum pressure is exerted when the length and breadth form the base.
    2. The maximum pressure is exerted when length and height form the base.
    3. The maximum pressure is exerted when breadth and height form the base.
    4. The minimum pressure is exerted when length and height form the base.
    →
    Two bodies of equal weight are kept at heights of h and 1.5 A, respectively. The ratio of their PE is:
    →