हिंदी

Multiple Choice Question. Select the correct option. The impulse of a body is equal to: - Physics

Advertisements
Advertisements

प्रश्न

Multiple Choice Question. Select the correct option.

The impulse of a body is equal to:

विकल्प

  • (a) rate of change of its momentum

  • (b) change in its momentum

  • (c) the product of force applied on it and the time of application of force.

  • (d) both (b) and (c)

MCQ

उत्तर

(d) both (b) and (c)

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Laws of Motion - Unit II Exercise 2 (A) Objective Questions

APPEARS IN

गोयल ब्रदर्स प्रकाशन A New Approach to ICSE Physics Part 1 [English] Class 9
अध्याय 3 Laws of Motion
Unit II Exercise 2 (A) Objective Questions | Q 4

संबंधित प्रश्न

A person drops a coin. Describe the path of the coin as seen by the person if he is in (a) a car moving at constant velocity and (b) in a free falling elevator.


In a TV picture tube, electrons are ejected from the cathode with negligible speed and they attain a velocity of 5 × 106 m/s in travelling one centimetre. Assuming straight-line motion, find the constant force exerted on the electrons. The mass of an electron is 9.1 × 10−31 kg.


Both the springs shown in the following figure are unstretched. If the block is displaced by a distance x and released, what will be the initial acceleration?


In a simple Atwood machine, two unequal masses m1 and m2 are connected by a string going over a clamped light smooth pulley. In a typical arrangement (In the following figure), m1 = 300 g and m2 = 600 g. The system is released from rest. (a) Find the distance travelled by the first block in the first two seconds; (b) find the tension in the string; (c) find the force exerted by the clamp on the pulley.


In the following figure, m1 = 5 kg, m2 = 2 kg and F = 1 N. Find the acceleration of either block. Describe the motion of m1 if the string breaks but F continues to act.


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?


The linear momentum of a ball of mass 50 g is 0.5 kg m s-1. Find its velocity.


What do you understand by the term momentum?


What do you mean by an impulsive force?


Use Newton's second law to explain the following:
While catching a fast moving ball, we always pull our hands backwards.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×