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: Two masses are attached with a string passing over a frictionless pulley. mA has mass of 5 kg. mB…

A: Given- Mass of A, mA = 5 kg Mass of B , mB =2.5 kg Coefficient of friction between mA and table ,…

Q: What causes the force that moves a boat forward when someone rows it?  a. The force is caused by the…

A: What causes the force that moves a boat forward when someone rows it.

Q: 75-N box rests on a perfectly smooth horizontal surface. The minimum force need to start the box…

A: Weight of box = 75 N  Surface : smooth (frictionless)

Q: A 5.0 kg block has an acceleration of 0.20 m/s2 when a force is exerted on it. A second block has an…

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Q: A box is pulled at a constant speed, v, along a horizontal surface with a kinetic coefficient of…

A: According to Newton's First Law of Motion, an external force is required to change the motion of the…

Q: (b) Two surfaces are in contact with the 4.0 kg block, the 2.0 kg block and the floor. In what…

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Q: If a person is pushing a cart with a force of 40 Newtons and it accelerates at 0.8m/s^2 what is the…

A: The person is pushing the car and it accelerate at 0.8 ms2. Draw the free body diagram for the…

Q: Dick and Jane stand on a platform of negligible weight, as shown in the figure. Dick weighs 700 N,…

A: Weight of person 1 is Weight of person 2 is Person 2 pulling down on the rope creating tension in…

Q: The weight of the rock is 76N. An upward force of 106N is exerted on the rock. What is the net force…

A: Given: The weight of the rock is 76N. An upward force of 106N is exerted on the rock The weight of…

Q: A weight of 100 N is suspended by a rope from a ceiling. A horizontal force pulls the weight until…

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Q: What is the weight of the following objects? to. A 3.5 kg hockey puck. b. A 7.5 kg bowling ball.

A: The weight of an object is given by  W =m g  where, m is the mas and g is the acceleration due to…

Q: 44. A 6.0 N force is applied to box 1, which is in contact with box 2 on a frictionless surface as…

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Q: You are weightless when you are A. In free fall B. Without a support force C. Infinitely away from…

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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!