Vector

Q.

Differentiate between the scalar and vector quantities, giving two examples of each.

Q.

Which is not a scalar quantity ?

1. temperature

2. density

3. pressure

4. momentum

Q.

State whether the following quantity is a scalar or vector?

(a) pressure (b) force

(c) momentum (d) energy

(f) weight (f) speed.

Q. Question 9
State which of the following situations are possible and give an example for each of these:
(a) An object with a constant acceleration but with zero velocity.
(b) An object moving in a certain direction with an acceleration in the perpendicular direction.

Q.

The vector quantity is :

(a) work (b) pressure

(c) distance (d) velocity

Q.

Give one property of a vector quantity.

Q. Question 4
A boy is whirling a stone tied with a string in a horizontal circular path. If the string breaks, the stone

(a) will continue to move in the circular path
(b) will move along a straight line towards the centre of the circular path
(c) will move along a straight line tangential to the circular path
(d) will move along a straight line perpendicular to the circular path away from the boy

Q.

What is meant by scalar and vector quantities?

Q. When a force is exerted on a stationary object, it will move.

1. True
2. False

Q.

the blocks of masses 2kg in 1 kg respectively are tied to the end of string passing over a light frictionless pulley. the masses are held at the same horizontal level and then released. The distance travelled by the centre of mass in 2 seconds is

Q.

Give three differences between scalar and vector quantities

Q.

What are vector quantities?

Q. Mike is spinning a stone tied to the thread. Which of the following quantities can remain constant for the motion of the stone?

1. Speed
2. Acceleration
3. Velocity
4. Displacement

Q.

True or false and give reason for your answer

anything that is dependent on its individual and final point then it is called as vectar

Q. Why is current not a Vector Quantity ??

Q. What is the vector laws of addition? It is mentioned in the vector quantity definition.

Q. The effect that the force produces in a slingshot is change in of the body.

1. speed
2. shape
3. direction

Q. Mike is spinning a stone tied to the thread. Which of the following quantities can remain constant for the motion of the stone?

1. Speed
2. Acceleration
3. Velocity
4. Displacement

Q.

if energy velocity and time are fundamental units what will be the dimensions of surface tension

Q. Wahi is vector laws?Does all quantity have magnitude?

Q. Perpendicular force acting per unit area is called is called Work Power Energy Thrust