मराठी

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

Advertisements
Advertisements

प्रश्न

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

टीपा लिहा
Advertisements

उत्तर

While catching a fast moving ball, we always pull our hands backwards to increase reaction time so force experienced would decrease.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Laws of Motion - Exercise 3 [पृष्ठ १३१]

APPEARS IN

फ्रँक Physics Part 1 [English] Class 9 ICSE
पाठ 3 Laws of Motion
Exercise 3 | Q 65.2 | पृष्ठ १३१

संबंधित प्रश्‍न

A free 238U nucleus kept in a train emits an alpha particle. When the train is stationary, a nucleus decays and a passenger measures that the separation between the alpha particle and the recoiling nucleus becomes x at time t after the decay. If the decay takes place while the train is moving at a uniform velocity v, the distance between the alpha particle and the recoiling nucleus at a time t after the decay, as measured by the passenger, is


A particle of mass 0.3 kg is subjected to a force F = −kx with k = 15 N/m. What will be its initial acceleration if it is released from a point x = 20 cm?


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.


Find the mass M of the hanging block in the following figure that will prevent the smaller block from slipping over the triangular block. All the surfaces are frictionless and the strings and the pulleys are light.


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 Newton's second law of motion. Under what condition does it take the form F = ma?


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


Multiple Choice Question. Select the correct option.

Which of the following are vector quantities?


What causes motion in a body?


What do you mean by an impulsive force?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×