English

Multiple Choice Question. Select the correct option. Which of the following are vector quantities? - Physics

Advertisements
Advertisements

Question

Multiple Choice Question. Select the correct option.

Which of the following are vector quantities?

Options

  • Momentum

  • Velocity

  • Force

  • All of these

MCQ
Advertisements

Solution

All of these

Explanation: All those quantities which have magnitude, as well as direction, are known as vector quantities.

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Laws of Motion - Unit II Exercise 2 (A) Objective Questions

APPEARS IN

Goyal Brothers Prakashan A New Approach to ICSE Physics Part 1 [English] Class 9
Chapter 3 Laws of Motion
Unit II Exercise 2 (A) Objective Questions | Q 7

RELATED QUESTIONS

A man of mass 70 kg stands on a weighing scale in a lift which is moving

  1. upwards with a uniform speed of 10 m s-1
  2. downwards with a uniform acceleration of 5 m s–2
  3. upwards with a uniform acceleration of 5 m s–2. What would be the readings on the scale in each case?
  4. What would be the reading if the lift mechanism failed and it hurtled down freely under gravity?

An object is placed far away from all the objects that can exert force on it. A frame of reference is constructed by taking the origin and axes fixed in this object. Will the frame be necessarily inertial?


A spy jumps from an airplane with his parachute. The spy accelerates downward for some time when the parachute opens. The acceleration is suddenly checked and the spy slowly falls to the ground. Explain the action of the parachute in checking the acceleration.


When a horse pulls a cart, the force that helps the horse to move forward is the force exerted by


Two blocks A and B of mass mA and mB , respectively, are kept in contact on a frictionless table. The experimenter pushes block A from behind, so that the blocks accelerate. If block A exerts force F on block B, what is the force exerted by the experimenter on block A?


A small block B is placed on another block A of mass 5 kg and length 20 cm. Initially, the block B is near the right end of block A (In the following Figure). A constant horizontal force of 10 N is applied to the block A. All the surfaces are assumed frictionless. Find the time that elapses before block B separates from A.


A man has fallen into a ditch of width d and two of his friends are slowly pulling him out using a light rope and two fixed pulleys as shown in the following figure. Show that the force (assumed equal for both the friends) exerted by each friend on the road increases as the man moves up. Find the force when the man is at a depth h.


What do you understand by the term momentum?


Multiple Choice Question. Select the correct option.

The impulse of a body is equal to:


A ball is thrown vertically downward with an initial velocity of 10 m/s. What is its speed 1 s later and 2 s later?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×