Inclined Plane Physics Problems

The video tutorial explains how to calculate the work done by a person moving a block up a smooth incline. The problem is from H.C. Verma's book, Chapter 8, Question 12. The block, weighing 100N, is moved 2 meters up an incline with a 37-degree angle. The tutorial covers two scenarios: when the force is parallel to the incline and when it is horizontal. In both cases, the work done is equal to the increase in potential energy, calculated as 120 joules. The video concludes with a call to action for viewers to engage with the channel.

What is the weight of the block being moved up the incline?

• 50 N

• 100 N

• 150 N

• 200 N

What is the angle of inclination of the incline?

• 45 degrees

• 30 degrees

• 60 degrees

• 37 degrees

How is the increase in potential energy calculated when the force is parallel to the incline?

• Using the formula Fd

• Using the formula 1/2 mv^2

• Using the formula mgh

• Using the formula mgd

What is the height gained by the block when moved 2 meters along the incline?

• 0.8 meters

• 1.5 meters

• 1.2 meters

• 1.0 meters

What is the work done by the person when the force is parallel to the incline?

• 100 joules

• 130 joules

• 110 joules

• 120 joules

Does the work done change when the force is applied horizontally?

• Yes, it decreases

• It becomes zero

• Yes, it increases

• No, it remains the same

What should viewers do if they want solutions to other questions from the H. C. Verma book?

• Call the helpline

• Post the question number and chapter number in comments

• Visit the website

• Email the instructor