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Chapter 5: Q 15. (page 128)

Figure shows an object鈥檚 acceleration-versus-force graph. What is the object鈥檚 mass?

Short Answer

Expert verified

mass of object is 25 kg

Step by step solution

01

Step 1.Given Information

here given the graph of object鈥檚 which is acceleration-versus-force graph and then from that find out the object鈥檚 mass. for that use the Newton`s second law.

02

Step 2 

Newton second law state that force is directly proportional to acceleration.

F=mam=Fa.....1

03

Step 3 

here use the concept of slop to consider the value of force and acceleration

from slope the force is 50 N and acceleration is 2 m/s2

substitute force and acceleration value in equation (1)

m=Fam=50kgm/s22m/s2m=25kg

Therefor, mass of the object is 25 kg

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Most popular questions from this chapter

Problems 43 describe a situation. For each, draw a motion diagram, a force-identification diagram, and a free-body diagram.

A rocket is being launched straight up. Air resistance is not negligible.

An object experiencing a constant force accelerates at 8m/s2. What will the acceleration of this object be if

a. The force is halved? Explain.

b. The mass is halved?

c. The force is halved and the mass is halved?

A constant force is applied to an object, causing the object to accelerate at 10 m/s2. What will the acceleration be if

a. The force is halved?

b. The object鈥檚 mass is halved?

c. The force and the object鈥檚 mass are both halved?

d. The force is halved and the object鈥檚 mass is doubled?

17. Which of the following are inertial reference frames? Explain.

a. A car driving at steady speed on a straight and level road.

b. A car driving at steady speed up a 10掳 incline.

c. A car speeding up after leaving a stop sign.

d. A car driving at steady speed around a curve.

Problems 35 through 40 show a free-body diagram. For each:

a. Identify the direction of the acceleration vector and show it as a vector next to your diagram. Or, if appropriate, write b. If possible, identify the direction of the velocity vector and show it as a labeled vector.

c. Write a short description of a real object for which this is the

correct free-body diagram. Use Examples 5.4, 5.5, and 5.6 as

models of what a description should be like.
See all solutions

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