The weight of the rock is 76N. An upward force of 106N is exerted on the rock. What is the net force acting on the rock?   A. 76 N downward   B. 30 N upward   C. 182 N downward    D. 106 N upward

Q: A ball is thrown up into the air. Ignore air resistance. When it is rising and reaches half of its…

A: Given : A ball is thrown up into the air. To determine : Net force when the ball reaches half of its…

Q: A 1.5 kg toy car is moving with two forces on it. A 28 N forward force by the motor and a 15 N…

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Q: A 4.0-kg box lies on a table. You pull it up with a force of 12 N and it doesn't move. Match the…

A: Given value--- mass = 4 kg. pulling force = 12 N. g = 10 m/s2  We have to find--- the weight…

Q: A 2.00-kg (20.0-N) stone is dropped from a height of 5.0 m, and strikes the ground with a velocity…

A: Given:- The stone has a mass m = 2.0 kg  The height of the stone h = 5.0 m  The velocity of the…

Q: 1. You are trying to lift a box of weight W' vertically off the floor. You apply a force, Fup, on…

A: Given quantities: Weight of the box = W Applied force = Fup The normal force on the block = N   It…

Q: An object of mass m1 = 5kg placed on a frictionless, horizontal table is connected to a string that…

A: Given∗ The mass of an object  is m1=5kg.∗ The mass of second   object  is  m2=12 kg.     The Free…

Q: Zach, whose mass is 70 kg, is in an elevator going up at 6.0 m/s. The elevator takes 2.0 s to stop…

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Q: The 5 N block is sitting on a table top which weights 16 N. The table has three legs. The force…

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Q: A force F is used to hold a block of mass m = 4.62 kg on an incline as shown in the diagram. The…

A: The free body diagram of the block is : For the body to be in equilibrium the forces must equate…

Q: A small block (m = 2 kg) is being pushed along (parallel to) a rough surface by a force with…

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Q: 6. A book is initially at rest on a table and it starts to move forward. Which of the following best…

A: According to Newton's first law if a body is at rest it will remain at rest and if it is in motion…

Q: A 100 kg go-kart travels at a velocity 2 m/s and then quickly stops in 8 seconds to avoid an…

A: Here, a=∆v∆t=0m/s-2m/s8s=-0.25m/s2

Q: A block with mass of 5.0 kg is held in equilibrium (zero net force) on an incline of an angle of θ =…

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Q: which of the following is true about support force. Choose all that apply. A. An object is in…

A: Required To chose the correct statements about support force.

Q: 3. A weight of 150lbs. is suspended by two ropes. Rope A makes 50° to the right of the vertical and…

A: According to question we need to find--- What is the force acting at rope B? What is the force…

Q: A child of mass 43 kg stands on a scale inside an elevator. Select one or more: A. The scale…

A: Consider the acceleration of the elevator be a, and the speed of the elevator be v. Apply Newton’s…

Q: You are standing still on a bathroom scale. The scale shows your weight 140 lbs. How much is the…

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Q: An object with 9.0 kg of mass is on a horizontal surface. The coefficients of friction between the…

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Q: 65.0 N 30 30.0 N- 20 20.0 N What is the magnitude of the resultant of these three forces? a. 27.0 N…

A: By the given data the of the vectors the resultant of the three vectors we resolve them into X and Y…

Q: Two forces are simultaneously acting on a 4.0 kg object on top of a frictionless surface. The forces…

A: In the free body diagram we can see that 16 N   force is acting along   X- axis .  So we can resolve…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”