1. Explain what a normal force is and give an example.
Q: Calculate the attractive force of gravity between a 0.27 kg birthday cake and a 8 kg student who is…
A: GivenMass of birthday cake is m1=0.27(kg)Mass of student is m2=8(kg)Distance between masses are…
Q: 4. Draw a force diagram for a chandelier that is suspended from the ceiling by a chain. Label the…
A: We can see from the image that the chandelier is suspended with a chain and it is stabel so it must…
Q: 5. Newton’s third law of motion states that forces between interacting objects occur in matched…
A: Given: Newton’s third law of motion states that forces between interacting objects occur in…
Q: 9 A 44-kg child steps onto a scale and the scale reads 430 N. What is the magnitude of the normal…
A: Given, mass of child = 44kg The scale reads = 430N
Q: 15. Draw and label a force vector diagram for the individual forces on wire 1, and on wire 2. What…
A: Given that:I1=6 AI2=3 AI3=4 AI4=12 A (there is a typing error, we are assuming this following the…
Q: 2. The Cable BC carries a tension force of 500 kN. Find the components of the tension force along BA…
A: Write the coordinates of points A, B, and C.
Q: A 20 g fridge magnet is being held onto the fridge by a 0.9 N force. The coefficient of kinetic…
A: Given: m = 20 g = 0.02 kg F = 0.9 N u = 0.3
Q: Three cables are used to tether a balloon as shown. Determine the vertical force P exerted by the…
A:
Q: . As you read this, you are most likely sitting quietly in a chair. Can you conclude, therefore,…
A: We know that motion is completely a relative term. The motion is not absolute and depends on frame…
Q: 10. Draw a force diagram for the person: when stepping off when the stepping foot strikes the…
A: The forces acting on the person on both the cases are friction, normal reaction and force due to…
Q: The force of attraction is weaker if A. The distance of separation is less B. The distance…
A:
Q: A particular nucleus of the element plutonium contains 94 protons and 150 neutrons. What is the…
A: Given: The number of protons is 94 protons in the nucleus. The separation between nucleus and…
Q: Construct free-body diagrams for the following physical situations. a. A picture hangs symmetrically…
A: Given: a. A picture hangs symmetrically by two wires oriented at angles to the vertical. b. A large…
Q: 2. Can an inanimate object (such as a table) exert a force? Can the magnitude of the force exerted…
A: Inanimate objects like tables, cars, mobile, etc, can also exert force. All these objects have a…
Q: In the figure below, the force acting on q2 is in which direction? A. Left. B. Right. C. There is a…
A: there is a positive and a negative charge sitting next to each other. hence they will tend to…
Q: A heavy steel cable attached to a motor is lifting a girder. The girder is speeding up. A. Draw a…
A: A heavy steel cable attached to a motor lifts a girder. The girder is speeding up.Where Msc mass of…
Q: 1. Problem No. 1: A series of cables are connected to a ring at B and D, as shown in the figure. For…
A:
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- Two ice-skaters labelled A and B push off of each other as shown below. A pushes on B and B pushes on A. Which of the following will impact the motion of skater B? A B A7. On graph paper, plot a graph of T2 versus L and use the slope to determine a value for acceleration due to gravity. 8. Determine the percentage difference between your experimentally determined value and the accepted value for g. 9. Write a detailed report as per guidelines. 4Normal forces and frictional forces are always... A. parallel to surfaces B. Perpendicular to surfaces C. Parallel and perpendicular to surfaces respectively D. Perpendicular and parallel to surfaces respectively
- 1. what is the law of friction? 2. what is the importance of the slopes? 3. one slope is higher what does that tell you?5) A box is held by two angles wires. Which one will have the greater tension? Explain your answer. 300 60° T2 I. T18. (1)Provide an example that helps demonstrate on Newton's Laws. (2)Explain how the example applies to the law. (3) List all forces in the example. an a. Newton's First Law b. Newton's second law. C. Newton's third Law.
- 13. When you twirl an object on a string in a horizontal circle, why do you feel the object pulling on your hand ?how will you describe a rock sitting on a table? A. a velocity of 0 m/s B. an acceleration of 0 m/s/s C. balanced forces acting on it D. All of the above.A force tends to cause an object to accelerate.The force and the resulting acceleration have a. the same direction. b. different directions. c. no relationship between their directions. d. none of the above
- A worker pulls a crate of mass, m, via a uniform, massless cable that is attached to the crate at an angle, θ, above the horizontal. The resultant tension in the cable is T. What is the normal force acting on the crate? a. mg b. mg + Tsinθ c. mg - Tcosθ d. mg - Tsinθ e. Tsinθ8. A box sits at rest on a tabletop. Draw and clearly label all the forces acting on the box; compare their magnitudes and directions.