Questions
UCIC 202503 PHYS101 Quiz 3
Single choice
How to calculate the work if the force is not constant?
Options
A.a. By calculating the area under the curve in a graph of position and time
B.b. By calculating the area under the curve in a graph of force and position
C.c. By calculating the area under the curve in a graph of speed and time
D.d. By calculating the area under the curve in a graph of speed and position
View Explanation
Verified Answer
Please login to view
Step-by-Step Analysis
Consider what work represents: the work done by a force is the integral of F · dx along the path of motion. When the force is not constant, you must account for how F changes as you move, which is captured by an integral over displacement.
Option a: By calculating the a......Login to view full explanationLog in for full answers
We've collected over 50,000 authentic exam questions and detailed explanations from around the globe. Log in now and get instant access to the answers!
Similar Questions
A student with a mass of 58kg runs up three flights of stairs. The student has gone a vertical distance of 6m. Determine the amount of work done (In Joules) by the student to elevate his body to this height. Assume that his speed is constant and g = 9.81m/s2. Only put in the numerical value. Do not write the unit in your answer. This is a short-answer question. Show all working on paper, including the relevant equations and units.
Tony Reinmuth Australia's strongest man, was able to deadlift four times his own body weight. Deadlifting involves raising a barbell from the floor to a mid-body position. Determine the work done by Reinmuth in deadlifting 338kg to a height of 0.92m above the ground. Answer to the nearest Joule. Do not include units in your answer. This is a short-answer question. Show all working on paper, including the relevant equations and units.
How to find the total work if more than one force acts on the system?
When is the work negative?
More Practical Tools for Students Powered by AI Study Helper
Making Your Study Simpler
Join us and instantly unlock extensive past papers & exclusive solutions to get a head start on your studies!