If a dumbbell has a weight of 44.5 N, its mass is: a. 44.5 kg b. 10 lbs c. 4.5 kg d. 436 kg

Q: what will be his.

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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 3. Which of the following sets of forces acting on an object could not be in equilibrium? a. 4 N,…

A: Answer is explained below with proper explanation.

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!