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: Calculate the force that a 5 kg block exerts as it rests on the Earth's surface. Assume the…
A: Mass (m) = 5 kg gravitational acceleration (g) = 9.8 m/s2
Q: What happens to the force if the acceleration remains unchanged? a. Constant c. One-half as much. b.…
A: Correct option (a). Constant Reason According to Newton's second law , F = m*a Accleration is…
Q: www m2 If the tension in the cable connecting the two masses is T and m, experiences a kinetic…
A: When a block of mass m1 kept on the inclined plane, has a coefficient of kinetic friction, μk , it…
Q: 0.4 0.2 01 5. 6. Maximum static friction forces 1.
A: Given: The graph is as follows: Introduction: Friction is the force resisting the relative motion…
Q: Newton's first law is known as law of inertia. what is inertia. Choose all that apply. A.…
A: Required : What is inertia.
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: . 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: 4. A change in the state of motion is evidence of a. a force b. an unbalanced force c. a…
A:
Q: What is a net force? a. the algebraic sum of all forces acting on an object b. the difference of…
A: Net force is vector sum of all the forces acting on an object
Q: A 15kg object is being pushed to the right across a surface, that has a coefficient friction of…
A:
Q: A student is doing a physics experiment with a pendulum in the car ride home from school. At one…
A: Givenm=1.4 kgθ=24∘
Q: An 84 kg skier glides down a hill. The coefficient of kinetic friction μk = 0.15. The angle of…
A: (a) Draw a free body diagram showing all the forces acting on the skier
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: Which of the following statements is incorrect about friction? a. Coefficient of kinetic friction…
A: From the definition of Kinetic friction, it is caused by the resistance between the moving object…
Q: Which of the following forces is considered as a non-contact force? a. Air resistance C. Kinetic…
A:
Q: 1. A child stands on a bathroom scale while riding in an elevator. The child's weight when the…
A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…
Q: The International Space Station has a mass of approximately 370,000 kg. a. What is the force on a…
A: It is given that, m1=130 kgm2=370000 kgG=6.67×10-11 N.m2/kg2r=22 m
Q: 3. Do the following: a. Hang a brick by means of a rope A, whose resistance is not very great. B. A…
A: Given. The rope A and B are made of the same material. It is necessary to clarify, (A) the reason…
Q: Directions: Classify the kind of forces listed below according to their type. Make two-column table,…
A: Contact force : This is the force which is present between bodies when there is a actual contact…
Q: 30° T=400 N 30° 30
A: In order to find component of given force vector with respect to any axis, we have to find what…
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 person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift…
A: In this question a person is trying to lift a box of 55kg , with a force of 300 N.
Q: Problems 1. A hemispherical bowl (mass 0.5kg) is sitting on a slippery table, so there is no…
A:
Q: Craig is trying to push a heavy crate up a wooden ramp, but the crate won’t budge. The direction of…
A: The direction of the static friction force acting on the crate is down the ramp . Hence , option (B)…
Q: 9. If two forces act on an object in the same direction, the net force is the a. difference of the…
A: Dear student, Since all questions are different (objective type question) as per our company's…
Q: 10. A steel bar hangs from a cable as a crane fifts it. What forces act on the bar? a. Gravity b.…
A:
Q: Components of a force at different pairs of axes: A force T = 600 N. a. Find the components of Force…
A:
Q: 21. What force is necessary to accelerate a 30,000 lbs railway electric car at the rate of 1.25…
A:
Q: A car drives straight up a bridge with a 30-degree slope at a constant speed of 90 kilometers per…
A: Newton's second law of motion states that net force acting on a body is the product of mass and…
Q: Determine the upward force exerted on the board by each person
A:
Q: Twoforces,oneofmagnitude2Nandoneofmagnitude3N,areappliedto the ring of a force table. The directions…
A: GIVEN Magnitude of first force = 2 N Magnitude of second force = 3N
Q: тA - 4.0kg тв 3 20 kg В 36 N > A
A:
Q: A bricklayer hits a screw with a hammer and drives it into a ceiling. If the hammer hits the nail…
A: The distance travelled is directly proportional to the velocity of hanmer. According to impulse,…
Q: Compared to the force that the sun exerts on the earth, the force exerted by the earth on the sun…
A: The gravitational force between between two planets is given by F = Gm1m2/r2 Here, G = universal…
Q: What can you say about the direction of the force and the acceleration of an object?
A: What can you say about the direction of the force and the acceleration of an object?
Q: 2. A ball is hanging as shown below. The ball weighs 0.25 kg and the rod weighs 0.5 kg. 0 = 37°,…
A: Given mass of the hanging ball is m = 0.25 kg and the mass of the rod is M = 0.5 kg length of the…
Q: Normal forces and frictional forces are always... A. parallel to surfaces B. Perpendicular to…
A: Normal forces as the name suggests are the forces which are normal to the surface and these are…
Q: 4.0 kg 36 N > A В тв 3 20 kg А
A:
Q: 16. When does the net force on an object increase? a. When At increases b. When Ap decreases c. When…
A: Net force on object is equal to rate of change of linear momentum . Fnet = ∆P/∆t Fnet ∝ ∆P…
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