3. You push a grocery cart along a level floor in the presence of friction effects between the cart and the floor. a. Draw force diagrams for you, the cart, and the floor/earth. Fully label all vectors. b. While you are making the cart speed up, how does the size of the force you apply on the cart b. compare to the size of the force the cart exerts on you? Explain. c. While you are making the cart speed up, how does the size of the frictional force on the cart by the floor compare to the frictional force on you by the floor?
Q: A froghopper is a 0.5 cm-long insect which has a mass of about 12 mg. A typical froghopper can jump…
A:
Q: A sledder of mass m is sliding down a snowy hill with initial speed vo. The hill steepness is a…
A: (a)Here the force of friction is kinetic in nature, since there is relative motion.
Q: In a Physics lab, Nene and Nono apply a rightward force to a 4.52-kg cart to accelerate it across a…
A: The cart=4.52kg The friction between the cart and the floor is 0.43
Q: Consider dropping a baseball from rest at an altitude of 300 m. Assume that the baseball has a drag…
A:
Q: A satellite is traveling through distant space with a speed of 19,000 km/hr. What will happen to the…
A: Solution: In space there is no air blanket due to which there is no air friction. So, when…
Q: 100 kg astronaut (including the spacesuit) becomes untethered during a spacewalk and drifts to a…
A: according to Newton's third law Every action has equal and opposite reaction
Q: A woman is standing on a steep hillside in the rain and is not moving. A sudden gust of wind blows…
A: Required : Why does not slide down the hillside.
Q: You push a grocery cart along a level floor in the presence of friction effects between the cart and…
A: A force diagram is used to study any aspect of a motion at a particular instant of time. This…
Q: A 200-g hockey puck is launched at an initial speed of 16 ns up a metal ramp that is inclined at a…
A:
Q: A typical car weighs about 1000 kg. An average person can push with a force that is about half the…
A: Given:- The mass of the car is m = 1000 kg The force applied by the person on a car is F = 500 N…
Q: In short-track speed skating, the track has straight sections and semicircles 16 m in diameter.…
A:
Q: 2. A model rocket has a mass of 300 g and an engine that generates 40 N of thrust. The rocket is…
A:
Q: Assuming negligible atmospheric friction, a launched projectie has a parabolic path, as shown above.…
A:
Q: 1. You are helping your friend unload their moving truck. You are starting to get lazy, so you just…
A:
Q: a. Calculate the coefficient of kinetic friction between block A and the tabletop. b. A cat, also of…
A: Given diagram,
Q: A factory needs to move packages from one level to another using a ramp. They want to choose a…
A: Option (c) is correct. The Explanation of this problem is given below.
Q: 7b. A bus moving on a horizontal road in positive x-direction slows down in order to stop. Draw a…
A: The bus moving on a horizontal road in positive X direction slows down in order to stop.
Q: A 2500 kg roller- coaster completes a loop of radius 16 m in 3.00 s. a. Draw an FBD of the coaster…
A:
Q: Which statement describes the effect of an inclined plane on the amount of force required to push an…
A: let F is the force to push the object on horizontal surface but on inclined plane , force is…
Q: A student wants to determine the weight of the heaviest object she can push up an incline with a…
A:
Q: 4. A Ferris wheel of radius 15 m turns clockwise as shown. A man of mass 70 kg stands on a scale in…
A: The given question has 4 sub-parts. As per our policy, we will answer the first 3 sub-parts. Kindly…
Q: You are inside an elevator standing on a scale. You do not know anything about the motion of the…
A:
Q: A car is approaching a wall at a speed of 27.1 m/s. If the distance d is 100 m, a. Determine…
A:
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: Dana has a sports medal suspended by a long ribbon from her rearview mirror. As she accelerates onto…
A: a. When Dana accelerates the medal experience a pseudo force, the magnitude of this force is equal…
Q: The crate weighs 450 kg and is supported by three cables as shown in the figure below. a. Draw a…
A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…
Q: Two objects are dropped from a tall cliff: a sheet of paper and a ball made of a crumpled sheet of…
A: Given data- Two objects are dropped from a tall Cliff ; a sheet of paper and a ball made of a…
Q: 6. Newtons Laws a. Write Newton's First law.. b. Write Newton's Second law. c. Write Newtons Third…
A:
Q: mass m is tied to a string and made to move in a vertical circle of radius R with constant speed v.…
A:
Q: A large massive rock is in contact with the Earth. Draw a force diagram for the rock and the Earth.…
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 1 images
- 1. A car of mass 1000.0 kg is stationary on a slope forming an angle = 20° with the horizontal line. The car is located at a distance of 50 m from the foot of the slope. The coefficient of static friction between the tires and the road is μ = 0.20. a. Draw a free-body-diagram of the problem including all the information that is provided. b. Will the car slide down the slope? Motivate your answer to obtain any points. Once the car starts sliding down the slope, the coefficient of dynamic friction becomes μ = 0.15. c. Calculate the acceleration of the car. d. Calculate the velocity of the car at the foot of the slope. e. Calculate the kinetic energy of the car at the beginning and at the end of the motion. f. Calculate the total work done on the car. g. Calculate the gravitational potential energy of the car at the beginning and at the end of the motion. h. Calculate the work done on the car by the gravitational force. i. Calculate the work done on the car by the frictional force.A 48.42kg hunter ropes a 167.82 kg sleeping polar bear and pulls the bear towards him until they meet. Originally they are 211.22 m apart on frictionless ice. When the hunter pulls the polar bear to him the hunter will move... a. 52 b. 810 c. 67 d. 160Researchers have measured the acceleration of racing greyhounds as a function of their speed; a simplified version of their results is shown. The acceleration at low speeds is constant and is limited by the fact that any greater acceleration would result in the dog pitching forward because of the force acting on its hind legs during its power stroke. At higher speeds, the dog’s acceleration is limited by the maximum power its muscles can provide. a. What is the agent of the force that causes the dog to accelerate?b. If the dog’s mass is 32 kg, what is the average force acting on it during its initial acceleration phase?c. How far does the dog run in the first 4.0 s?
- Q5. Two cars have the same engine and wheels. It is determined experimentally that both cars produce the same force over a 100 meter course. Car A can accelerate twice as fast as Car B. Explain this result using Newton's Second Law. Q6. Michele kicks a 0.75 kg ball with a 45 N force. What is the acceleration of the ball? Q7. Fill in the blanks in the table below, submit your results in the text box by letter [3(a), (b), (c), etc.]: (c) (f) (g) Force (N) +9.3 x 10¹2 N +2.1 x 105 N (i) -15 N +22 N -150 N -225 N (b) (d) (h) mass (kg) 3.0 kg 8.4 x 10³ kg 2.8 x 10-6 kg 67 kg (j) 19 kg 128 kg acceleration (m/s²) (a) +5.5 m/s² -2.0 m/s² +6.2 x 10³ m/s² (e) -1.2 x 108 m/s² -9.8 m/s² -9.8 m/s² -9.8 m/s² -9.8 m/s²A 23 kg child goes down a straight slide inclined 38° above horizontal. The child is acted on by his weight, the normal force from the slide, and kinetic friction.a. Draw a free-body diagram of the child.b. How large is the normal force of the slide on the child?Your brother’s toy car has a mass 0f 250. g. The car is going in a vertical circle in 3.50 s. The radius of the track is 40.0 cm. a. Draw Free Body Diagram of the car when it is at the bottom of the circle. b What is the magnitude of the force of the track on the car at the lowest point of the circle? a. Draw Free Body Diagram of the car when it is at the bottom of the circle.
- 4. A Ferris wheel has a radius of 9.00 m and is set so that its passengers move at 3.00 m/s. The mass of a passenger is 60 kg. a. What is the passenger's normal force when the Ferris wheel is at the bottom of its path? b. What is the force factor at the bottom? c. What is the passenger's normal force at the top? d. What is the force factor at the top?The block shown in figure #1 above has a mass of 4.30 kg. The applied force (? ⃑ ) has a magnitude of 31.2 N and is 32.0° above the horizontal, frictionless surface the block in on. a. What is the normal force (magnitude and direction) that acts on the block? b. What is the acceleration (magnitude and direction) that is experienced by the block?Starting from rest, a 150 kg body experiences a force of 100 newtons acting on it in a direction parallel to the positive x-axis and a force of 150 newtons acting at 55° with respect to the positive x-axis. a. What is the net force acting on the body? Include direction. b. What is the acceleration of the body? c. What velocity does it reach after 5 seconds?
- You push a lawnmower (mass=15kg) across the lawn at constant speed. To do so, you must excert 200 N of force. The handle makes a 35° angle with the horizontal. A. Draw the force diagram B. What is the x-component of the force you apply? C. How does it compare to the frictional force which opposes your effort? Explain. D. If the frictional force is reduced to 100 N, determine the acceleration of the lawnmower.Three boxes in contact slide side-by-side on a smooth, friction-less, horizontal floor. Their masses are 5.0-kg, 3.0-kg, and 2.0-kg, with the 3.0-kg box in the center. A force of 50 N pushes on the 5.0-kg box, which pushes against the other two boxes. A. Draw the free-body diagrams for each of the boxes. B. What magnitude force does the 3.0-kg box exert on the 5.0-kg box? C. What magnitude force does the 3.0-kg box exert on the 2.0-kg box?A restaurant manager pushes a box of melons horizontally with a force of magnitude 150 N. The box moves along the floor with a constant acceleration in the same direction as the applied force. Which statement is more precise regarding the magnitude of the kinetic friction force acting on the crate? a. It is greater than 150 N. b. It is equal to 150 N. c. The friction force must be zero. d. The kinetic friction force is constantly decreasing. e. It is less than 150N.