English

A Tennis Ball and a Cricket Ball , Both Are Stationary. to Start Motion in Them . - Physics

Advertisements
Advertisements

Question

A tennis ball and a cricket ball , both are stationary. To start motion in them .

Options

  • a less force is required for the cricket ball than for the tennis ball .

  • a less force is required for the tennis ball than for the cricket ball 

  • same force is required for both the balls .

  • nothing can be said .

MCQ
Advertisements

Solution

Less force is required for the tennis ball than for the cricket ball.

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Laws of Motion - Exercise 3 (B) [Page 64]

APPEARS IN

Selina Concise Physics [English] Class 9 ICSE
Chapter 3 Laws of Motion
Exercise 3 (B) | Q 2 | Page 64

RELATED QUESTIONS

A constant retarding force of 50 N is applied to a body of mass 20 kg moving initially with a speed of 15 ms–1. How long does the body take to stop?


A batsman deflects a ball by an angle of 45° without changing its initial speed which is equal to 54 km/h. What is the impulse imparted to the ball? (Mass of the ball is 0.15 kg.)


The force of buoyancy exerted by the atmosphere on a balloon is B in the upward direction and remains constant. The force of air resistance on the balloon acts opposite the direction of velocity and is proportional to it. The balloon carries a mass M and is found to fall to the earth's surface with a constant velocity v. How much mass should be removed from the balloon so that it may rise with a constant velocity v?


Find the acceleration of the 500 g block in the following figure.


A monkey is climbing on a rope that goes over a smooth light pulley and supports a block of equal mass at the other end in the following figure. Show that whatever force the monkey exerts on the rope, the monkey and the block move in the same direction with equal acceleration. If initially both were at rest, their separation will not change as time passes.


A block A can slide on a frictionless incline of angle θ and length l, kept inside an elevator going up with uniform velocity v in the following figure. Find the time taken by the block to slide down the length of the incline if it is released from the top of the incline.


The unit of linear momentum is :


A force acts for 10 s on a stationary body of mass 100 kg, after which the force ceases to act. The body moves through a distance of 100 m in the next 5 s. Calculate : The magnitude of the force


Prove mathematically F = ma


What causes motion in a body?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×