Calculate the magnitude of the normal force on a 12.7 kg block in the following circumstances. (Enter your answers in N.)   (a) The block is resting on a level surface. N   (b) The block is resting on a surface tilted up at a 20.8° angle with respect to the horizontal. N   (c) The block is resting on the floor of an elevator that is accelerating upward at 2.28 m/s2. N (d) The block is on a level surface and a force of 165 N is exerted on it at an angle of 20.8° below the horizontal. N

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Q: A block of mass m, = 19.4 kg is on a frictionless table to the left of a second block of mass m, =…

A: Given :-           mass  m1 = 19.4 kg           mass  m2 = 20.7 kg          horizontal force →F…

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Q: Calculate the magnitude of the normal force on a 20.2 kg block in the following circumstances.…

A: (a)Consider the free body diagram.

Q: Block A in Fig. P5.72 weighs 60.0 N. The coefficient of static friction between the block and the…

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A: In this question they said that we have tension, focus on the forces acting on the apple.…

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A: Given that Mass of the cart m = 1848 g = 1.848 kg Acceleration a = 6.2 m/s2

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Q: Give reasons for the answers to each of the following questions: (a) Can a normal force be…

A: (a) answer-  Yes,  a normal force be horizontal if we push the object horizontally against a wall…

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Q: A block with mass m sits on a frictionless plane inclined at angle θ, as shown in the figure. If the…

A: In this question  we use free body diagram.

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Q: A small boat is crossing a lake on a windy day. During some interval of time, the boat undergoes the…

A: ∆r⇀ = 3.19 i⏜ + 2.89 j ⏜F→ = 261 i⏜ - 125 j⏜

Q: Calculate the magnitude of the normal force on a 20.2 kg block in the following circumstances.…

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Q: A stationary 8.60 kg wood crate is pushed with an 46.5 N horizontal force that is parallel to a…

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Q: The figure below is for a 6 kg box on a horizontal floor. Initially, you are pushing horizontally on…

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Q: A toy rocket engine is securely fastened to a large puck that can glide with negligible friction…

A: Given data The mass of the puck is given as m = 4.20 kg. The velocity of the puck at the instant is…

Q: A cart ( m=2012 g) is moving horizontally due to a horizontal tension force applied by a string. If…

A: Given data: Mass of cart, m=2012 g=2.012 kg Acceleration, a=2.4 m/s2

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Q: After visiting a delicatessen in the local mall, a student takes the elevator down to the parking…

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Q: The figure below is for a 7 kg box on a horizontal floor. Initially, you are pushing horizontally on…

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Q: A student of weight 635 N rides a steadily rotating Ferris wheel (the student sits upright). At the…

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Q: Which of the following statements is correct regarding an apple hanging on a tree on earth? a. The…

A: Given : Asked to choose the correct option. Given question is : Which of the following statements is…

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A: The free-body diagram of the block on the horizontal plane is shown below. Here, m is the mass, F…

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A: Cassie is sitting on a frictionless playground slide that makes an angle θ with the horizontal.…

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Q: When will your apparent weight be the greatest, as measured by a scale in a moving elevator: when…

A: Apparent weight in elevator

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Q: A ball rolls down a slope and off a flat floar. Ignoring air resistance, what force ar farces act on…

A: There no frictional force acting on it Only force is the gravitational force

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Q: Block A of mass 60 kg, tied to the wall by a cable, is resting on Block B of mass 100 kg as shown.…

A: Given that:- Mass of block A=60kg Mass of block B=100kg

Q: What can we say about the motion of a freely falling body? A. It is uniformly accelerated.…

A: Given: motion of a freely falling body. To discuss the motion of a freely falling body.

Q: Two small forces, F ⃗ 1 = −2.40i ^ − 6.10tj ^ N and F ⃗ 2 = 8.50i ^ − 9.70j ^ N, are exerted on a…

A: F→1 = - 2.4 i^ - 6.1 j^F→2 = 8.5 i^ - 9.7 j^ (A) The net force is given by  F→ = F→1 + F→2F→ = (-…

Q: he gravitational force exerted on a basebal 2.14 down. A pitcher throws the ball horizontally with…

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Q: A helicopter (of mass 2500 kg) produces a lift force of 18000 N directed at 75 degrees above the…

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Q: A small boat is crossing a lake on a windy day. During some interval of time, the boat undergoes the…

A: Write the given values of the problem- Displacment(∆r→)∆r→=(3.21m)i^+(2.71m)j^Constant force on the…

Q: Three blocks are in contact with one another on a frictionless, horizontal surface as in the figure…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: A jet plane is flying with a constant speed along a straight line, at an angle of 30.0° above the…

A: Plane is flying with constant speed hence, net force acting on plane is zero. so, from the free body…

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?”