Physics

Dimension of force is


ANSWER

$$M^1L^1T^{-2}$$


SOLUTION
$$Force=Mass \times Acceleration$$

But, $$Acceleration=Velocity \times Time=[LT^{-1}][T^{-1}]=[LT^{-2}]$$

Then, $$Force=[M][LT^{-2}]=[M^1L^1T^{-2}]$$
View Answers

You're just one step away

Create your Digital Resume For FREE on your name's sub domain "yourname.wcard.io". Register Here!


Single Correct Medium Published on 18th 08, 2020
Next Question
Questions 244531
Subjects 8
Chapters 125
Enrolled Students 201
Enroll Now For FREE

Realted Questions

Q1 Single Correct Medium
Which of the following does not have the dimension of force?
  • A. Potential gradient
  • B. Energy gradient
  • C. Weight
  • D. Rate of change of momentum

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q2 Assertion & Reason Medium
ASSERTION

Light year and wavelength have same dimensions.

REASON

Light year represents time while wavelength represents distance.

  • A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  • B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  • C. Assertion is correct but Reason is incorrect
  • D. Both Assertion and Reason are incorrect

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q3 Single Correct Medium
1$$\mu$$ is 
  • A. $$ 10^{-6}m $$
  • B. $$ 10^{-9}m $$
  • C. $$ 10^{-10}m $$
  • D. $$ 10^{-3}m $$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q4 Subjective Medium
What is the $$SI$$ unit of activity?

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q5 Subjective Medium
The distance of a galaxy is $$56 \times10^{25}m$$. Assume the speed of light to be $$3\times10^8 m s^{-1}$$. Express order of magnitude of time taken by light travelled to the galaxy.

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer