Advertisements
Advertisements
प्रश्न
Multiple Choice Question. Select the correct option.
Which of the following are vector quantities?
पर्याय
Momentum
Velocity
Force
All of these
Advertisements
उत्तर
All of these
Explanation: All those quantities which have magnitude, as well as direction, are known as vector quantities.
APPEARS IN
संबंधित प्रश्न
Explain why a cricketer moves his hands backwards while holding a catch.
When a horse pulls a cart, the force that helps the horse to move forward is the force exerted by
Two objects A and B are thrown upward simultaneously with the same speed. The mass of A is greater than that of B. Suppose the air exerts a constant and equal force of resistance on the two bodies.
An empty plastic box of mass m is found to accelerate up at the rate of g/6 when placed deep inside water. How much sand should be put inside the box so that it may accelerate down at the rate of g/6?
The monkey B, shown in the following figure, is holding on to the tail of monkey A that is climbing up a rope. The masses of monkeys A and B are 5 kg and 2 kg, respectively. If A can tolerate a tension of 30 N in its tail, what force should it apply on the rope in order to carry monkey B with it? Take g = 10 m/s2.

Show that the rate of change of momentum = mass × acceleration. Under what condition does this relation hold?
The linear momentum of a ball of mass 50 g is 0.5 kg m s-1. Find its velocity.
How long will a stone take to fall to the ground from the top of a building 80 m high
What do you mean by linear momentum of a body?
As shown in figure, a 70 kg garden roller is pushed with a force of F = 200 N at an angle of 30° with horizontal. The normal reaction on the roller is: (Given: g = 10 ms−2)

