Question

a 2000 kg car moving down a 30°incline. A counterweight of mass 180 kg on a...

a 2000 kg car moving down a 30°incline. A counterweight of mass 180 kg on a 20°inclinehelps control the car’s speed, as well as the brakes of the car. Ignore friction and assume the car goes down

a)Draw an FBD of both the car and the counterweight.

b)Write down N II equations.c)Find the braking force necessary for the car to move down the hill at a constant speed.

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Please let me know if it was helpful. Thank you!

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The 2040 kg cable car shown in the figure descends a 200-m-high hill. In addition to...
The 2040 kg cable car shown in the figure descends a 200-m-high hill. In addition to its brakes, the cable car controls its speed by pulling an 1860 kg counterweight up the other side of the hill. The rolling friction of both the cable car and the counterweight are negligible. Part A: How much braking force does the cable car need to descend at constant speed? Part B: One day the brakes fail just as the cable car leaves the...
A 1900-kg car experiences a combined force of air resistance and friction that has the same...
A 1900-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 27 m/s. Going up a hill, the car’s engine produces 35.10 kW more power to sustain the constant velocity than it does going down the same hill. Calculate at what angle the hill is inclined above the horizontal.
A 2000 kg car starts from rest. After 2 seconds, the car is moving at a...
A 2000 kg car starts from rest. After 2 seconds, the car is moving at a velocity of 9 m/s. There is a retarding friction force of 600N acting on the car. What is the power needed by the car in order to accelerate from rest to that final velocity?
A BMW of mass 2000 kg is traveling at 42 m/s. It approaches a 1000 kg...
A BMW of mass 2000 kg is traveling at 42 m/s. It approaches a 1000 kg Volkswagen going 25 m/s in the same direction and strikes it in the rear. Neither driver applies the brakes. Ignore the relatively small force on the cars due to the road and due to air resistance. (a) If the collision slows the BMW down to 33 m/s, what is the speed of the VW after the collision? (b) During the collision, which car exerts...
A 3.0 kg block slides down an incline that makes an angle ? = 30?The coefficient...
A 3.0 kg block slides down an incline that makes an angle ? = 30?The coefficient of kinetic friction between the block and the incline is ?k = 0.3 If the incline is 3 m long: 1. Determine the work done by friction 2. Determine the work done by the normal force 3. Determine the work done by gravity 4. What is the total work done on the block? 5. If the block is given an initial speed of 5...
A race-car driver is driving her car at a record-breaking speed of 225 km/h. The first...
A race-car driver is driving her car at a record-breaking speed of 225 km/h. The first turn on the course is banked at 15, and the car’s mass is 1450 kg. find : a)        Calculate the radius of curvature for this turn.             b)        Calculate the centripetal acceleration of the car. c)         If the car maintains a circular track around the curve (does not move up or down the bank), what is the magnitude of the force of static friction?...
Traveling at 40.2 m/s, a driver applies the brakes to his fast-moving car and skids out...
Traveling at 40.2 m/s, a driver applies the brakes to his fast-moving car and skids out of control on a wet concrete horizontal road. The 2000 kg car is headed directly toward a student waiting to catch a bus to campus who is standing 58.0 m down the road. Luckily, Superman is flying overhead and surveys the situation. Knowing that the coefficient of kinetic friction between rubber and rough wet concrete is .800, he determines that friction alone will not...
A 3.00 kg block starts from rest at the top of a 30° incline and accelerates...
A 3.00 kg block starts from rest at the top of a 30° incline and accelerates uniformly down the incline, moving 1.83 m in 1.80 s. (a) Find the magnitude of the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between the block and the incline. (c) Find the magnitude of the frictional force acting on the block. N (d) Find the speed of the block after it has slid a distance 1.83 m. m/s
Bob is driving his car at 20 m/s down a hill with a slope of 5...
Bob is driving his car at 20 m/s down a hill with a slope of 5 degrees. When a deer suddenly jumps out of the woods onto the road, he slams on the brakes, and the car skids to a stop. The mass of the car is 1500 kg, and the coefficient of kinetic friction between the tires and the road is µk = 0.816. a) (3 points) Draw a free-body diagram for the car. b) (3 points) Determine the...
1. A 1,761-kg car is moving down a road with a slope (grade) of 12% at...
1. A 1,761-kg car is moving down a road with a slope (grade) of 12% at a constant speed of 17 m/s. What is the direction and magnitude of the frictional force? (define positive in the forward direction, i.e., down the slope)? 2. A 1,892-kg car is moving down a road with a slope (grade) of 12% while slowing down at a rate of 3.7 m/s^2. What is the direction and magnitude of the frictional force? (define positive in the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT