हिंदी

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

Advertisements
Advertisements

प्रश्न

Multiple Choice Question. Select the correct option.

Which of the following are vector quantities?

विकल्प

  • Momentum

  • Velocity

  • Force

  • All of these

MCQ
Advertisements

उत्तर

All of these

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

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 [English] Class 9
अध्याय 3 Laws of Motion
Unit II Exercise 2 (A) Objective Questions | Q 7

संबंधित प्रश्न

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.)


A car accelerates on a horizontal road due to the force exerted by.


In the following figure shows a uniform rod of length 30 cm and mass 3.0 kg. The strings shown in the figure are pulled by constant forces of 20 N and 32 N. Find the force exerted by the 20 cm part of the rod on the 10 cm part. All the surfaces are smooth and the strings and the pulleys are light.


Write the mathematical form of Newton's second law of motion. State the conditions if any.


A pebble is dropped freely in a well from its top. It takes 20 s for the pebble to reach the water surface in the well. Taking g = 10 m s-2 and speed of sound = 330 m s-1. Find : The depth of water surface


Multiple Choice Question. Select the correct option.

The impulse of a body is equal to:


Name the physical entity used for quantifying the motion of a body.


A hockey player is moving northward and suddenly turns westward with the same speed to avoid an opponent. The force that acts on the player is ______.


The motion of a particle of mass m is given by x = 0 for t < 0 s, x(t) = A sin 4 pt for 0 < t < (1/4) s (A > o), and x = 0 for t > (1/4) s. Which of the following statements is true?

  1. The force at t = (1/8) s on the particle is – 16π2 Am.
  2. The particle is acted upon by on impulse of magnitude 4π2 A m at t = 0 s and t = (1/4) s.
  3. The particle is not acted upon by any force.
  4. The particle is not acted upon by a constant force.
  5. There is no impulse acting on the particle.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×