English
Karnataka Board PUCPUC Science Class 11

When a Horse Pulls a Cart, the Force that Helps the Horse to Move Forward is the Force Exerted by

Advertisements
Advertisements

Question

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

Options

  • the cart on the horse

  • the ground on the horse

  • the ground on the cart

  •  the horse on the ground

MCQ
Advertisements

Solution

the ground on the horse

The horse pushes the ground in the backward direction and, in turn, the ground pushes the horse in the forward direction, according to Newton's third law of motion.

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Newton's Laws of Motion - MCQ [Page 77]

APPEARS IN

HC Verma Concepts of Physics Volume 1 and 2 [English]
Chapter 5 Newton's Laws of Motion
MCQ | Q 2 | Page 77

RELATED QUESTIONS

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?


The figure shows the displacement of a particle going along the X-axis as a function of time. The force acting on the particle is zero in the region


(a) AB
(b) BC
(c) CD
(d) DE


A person says that he measured the acceleration of a particle to be non-zero even though no force was acting on the particle.


Two blocks of equal mass m are tied to each other through a light string. One of the blocks is pulled along the line joining them with a constant force F. Find the tension in the string joining the blocks.


Let m1 = 1 kg, m2 = 2 kg and m3 = 3 kg in the following figure. Find the accelerations of m1, m2 and m3. The string from the upper pulley to m1 is 20 cm when the system is released from rest. How long will it take before m1 strikes the pulley?


Consider the situation shown in the following figure. Both the pulleys and the string are light and all the surfaces are frictionless.

  1. Find the acceleration of the mass M.
  2. Find the tension in the string.
  3. Calculate the force exerted by the clamp on the pulley A in the figure.


A block is kept on the floor of an elevator at rest. The elevator starts descending with an acceleration of 12 m/s2. Find the displacement of the block during the first 0.2 s after the start. Take g = 10 m/s2.


State the Newton's second law of motion. What information do you get from it?


Use Newton's second law of motion to explain the following instance :
An athlete prefers to land on sand instead of hard floor while taking a high jump .


The unit of linear momentum is :


A force of 10 N acts on a body of mass 2 kg for 3 s, initially at rest. Calculate : The velocity acquired by the body


State the magnitude and direction of the force of gravity acting on the body of mass 5 kg. Take g = 9.8 m s-2.


A stone is dropped freely from the top of a tower and it reaches the ground in 4 s. Taking g = 10m s-2, calculate the height of the tower.


Name the physical quantity which equals the rate of change of linear momentum.


Figure shows (x, t), (y, t ) diagram of a particle moving in 2-dimensions.


(a)


(b)

If the particle has a mass of 500 g, find the force (direction and magnitude) acting on the particle.


Newton’s Second Law corrected the old belief that force is needed to maintain motion. This idea came from the philosopher ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×