A 475 gram box is given a push and it then slides up and back down a ramp with a 35.0° incline. The coefficient of friction is 0.30. (a) Determine the rate of deceleration as the box slides up the ramp. (b) Determine the rate of acceleration as the box slides back down the ramp. (c) Determine the amount of applied force necessary to push the box up the ramp at a steady speed.

Q: 1. A crate is sliding down an incline that is 35° above the horizontal. If the coefficient of…

A:

Q: 2. You want to move a 500-N crate across a level floor. To start the crate moving, you have to pull…

A: weight = 500 N Thus , normal force = 500 N Using formula for frictional force : Static friction =…

Q: An elevator and its load have a combined mass of 800 kg The elevator is initially moving downward at…

A: v2=u2+2ad0 m/s2=10 m/s2+2a25.0 ma=-2.0 m/s2

Q: 4. A student puts a 0.80 kg book against a vertical wall and pushes on the book toward the wall with…

A:

Q: 4. A 28-kg block is connected to an empty 1-kg bucket by a cord running over a frictionless pulley.…

A: Given:  Mass m = 28 kg block Mass of bucket = 1 kg Coefficient of static friction between the table…

Q: 6. A 250-lb block is initially at rest on a flat surface that is inclined at 30 degrees, if the…

A: 6) Given: Mass of block = 250 lb Inclination angle = 30 degree Coefficient of kinetic friction = 0.3…

Q: A skier starts from rest on the 43° slope at time t=0 and is clocked at t = 2.45 s as he passes a…

A: First from given distance covered and time taken we can calculate acceleration of the skier using…

Q: While moving in, a new homeowner is pushing a box across the floor at a constant velocity. The…

A:

Q: 1. A man pushes on a piano with mass 180 kg so that it slides at constant velocity down a ramp that…

A:

Q: Two objects, A and B, are placed on an inclined plane that can be rotated to different angles of…

A: Concept of banking in inclined plane.

Q: A 3.5 kg block is pushed along a horizontal floor by a force F of magnitude 20 N at an angle of 400…

A: Mass of block m = 3.5 kg F = 20 N θ = 40° Coefficient of kinetic friction  μk = 0.25 Block's…

Q: 1. An object of mass 10.1 kg is pushed directly from rest along a horizontal surface, a distance of…

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Q: Suppose a 2.00 kg object is placed on a ramp of inclination 30.0° and the coefficients of friction…

A: When motion starts limiting friction acts on the body but when body maintain the motion kinetic…

Q: 3. A block slides down a smooth 30° inclined plane in a time t seconds. If the plane were rough the…

A:

Q: 1. A 20 kg moving box sits on a flat surface. The coefficient of static friction between the box and…

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Q: Two masses are connected by a rigid link as shown in Fig. Q3. The masses are resting on an inclined…

A: Draw the free body diagram as below. The mass of block A, mA=8 kg The mass of block B, mB=4 kg The…

Q: A wet bar of soap slides down a ramp 10.0 m long inclined at 11.73°. What would be its acceleration?…

A:

Q: 4. A box slides down a 34° incline with an acceleration that is precisely one-third what it would…

A: The given plane is inclined at an angle of 34o with the horizontal. A box slides down this plane,…

Q: A car can accelerate at -3.80 m/s2 without skidding when coming to rest on a level road. What would…

A:

Q: A 1.8 kg object is released from rest at the top of a rough 30-degree incline. As it slides down the…

A: To determine: The magnitude of frictional force that is acting on the block   Given: Mass of the…

Q: 1. A 0.10kg block slides up a 16.00 inclined surface with an initial speed of 6.00. The coefficient…

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Q: 2. A child wants to push 10-kg block of ice across a frozen lake as shown below. For ice sliding on…

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Q: A box with a mass of 10.0 kg is placed on a hill that includes upwards at an angle of 30.0°. The…

A:

Q: A box slides along a horizontal floor with an initial speed of 2.5 m/s. It comes to rest after…

A: Given data: Initial velocity (v0) = 2.5 m/s Final velocity (v) = 0 m/s, rest Displacement (d) = 1.4…

Q: 1. An object (8 kg) was given a kick at the bottom of an incline (20°) and it started with a…

A:

Q: he two rear wheels and that the weight of the car is uniformly distributed over all four wheel What…

A: please see the image .

Q: While loading furniture into a truck, you push a 1.56 kg chair up a 14.7 degree ramp, with a…

A:

Q: 2. You are helping a friend move. Consider two boxes which have masses in factors of m; one of mass…

A: The two boxes are said to have a large coefficient of static friction between them. This means that…

Q: A 110 g hockey puck sent sliding over ice is stopped in 15 m by the frietional force on it from the…

A: In the system consisting of the puck and ice , there are two types of forces acting in the…

Q: A worker pushes a box with mass 11.2 kg on a horizontal surface with a constant speed of 3.50 m/s.…

A: Given data: Mass of box, m=11.2 kg Constant speed, u=3.50 m/s Coefficient of kinetic friction,…

Q: A 78 kg crate rests on a rough horizontal surface. The coefficient of static friction and…

A: First of all we need to calculate the limiting friction force. Now if the applied force is greater…

Q: 1. A car is moving at 65 kph along a straight road. When brakes are applied, it takes 6 seconds for…

A: Given value--- initial speed = 65 kph. time = 6 sec. We have to find--- coefficient of friction…

Q: A 78 kg crate rests on a rough horizontal surface. The coefficient of static friction and…

A:

Q: 1. A 50 kg crate is subjected to a force P= 200 N, as shown. If it is originally at rest, determine…

A:

Q: 1. A box with mass m is dragged across a level floor with coefficient of kinetic friction by a rope…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: