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please answer question 3 and 4.
l bect is pushed across a surface with a coefficient...
A box of mass 6.0 KG accelerates from rest by a force across the floor at...
A box of mass 6.0 KG accelerates from rest by a force across the floor at a rate of 2.3 m/s^2 for 5.0s. Find the net work done on the box if the weight is pulled up by a force of 85 N.
A 20.0 kg block is pushed across a rough surface with a coefficient of kinetic friction...
A 20.0 kg block is pushed across a rough surface with a coefficient of kinetic friction of 0.10. The pushing force is 100.0 N force and is applied at an angle of 35 degrees to the horizontal 1) what is the contact force exerted by the surface on the block? 2) what is the force of friction on the block? 3) what is the acceleration of the block?
The block shown is pulled a distance d = 1.5 m across a frictionless horizontal surface...
The block shown is pulled a distance d = 1.5 m across a frictionless horizontal surface at a constant speed by the force shown. If M = 5.0 kg, F = 30 N and = 40°, find: (a) the work done by the force (b) the normal force exerted by the surface A light string can support a stationary hanging mass of 40 kg before breaking. Determine the maximum speed of a 5 kg object tied to one end of...
A 4.7 kg block is being pushed across a frictionless horizontal surface by a horizontal force....
A 4.7 kg block is being pushed across a frictionless horizontal surface by a horizontal force. The block accelerates at 3.8 m/s2. What is the magnitude of the normal force the surface exerts on the block? Express your answer in newtons and round to one decimal place.
A 3.9 kg block is being pushed across a frictionless horizontal surface by a horizontal force....
A 3.9 kg block is being pushed across a frictionless horizontal surface by a horizontal force. The block accelerates at 5.6 m/s2. What is the magnitude of the normal force the surface exerts on the block? Express your answer in newtons and round to one decimal place.
Please help A. A block is pulled along a horizontal surface by a force of 12.0...
Please help
A. A block is pulled along a horizontal surface by a force of 12.0 N. The block has a mass of 4.00 kg and it accelerates at 2.00 m/s. Find the coefficient of kinetic friction for the interface between the block and the surface. B. A stone falls vertically through the air and experiences a drag force. If the stone's mass is 6.00 kg. and the drag force (upwards force) is 14.0 N, what is the acceleration of...
A mass m = 14 kg is pulled along a horizontal floor, with a coefficient of...
A mass m = 14 kg is pulled along a horizontal floor, with a
coefficient of kinetic friction μk = 0.12, for a
distance d = 5.9 m. Then the mass is continued to be pulled up a
frictionless incline that makes an angle θ = 38° with the
horizontal. The entire time the massless rope used to pull the
block is pulled parallel to the incline at an angle of θ = 38°
(thus on the incline it is...
2. A crate is pushed horizontally at an angle of 20° across a rough surface as...
2. A crate is pushed horizontally at an angle of 20° across a rough surface as shown. The mass of the crate is 55 kg and the coefficient of kinetic friction M = 0.35. a) What applied force is required to keep the box moving at a constant acceleration of 3m/s2 ? b) What applied force is needed to keep the box moving at a constant speed, that is, no acceleration? (2 pts.) 3. A 60-kg skier starts from rest...
A 2.0 kg block starts from rest. It is pushed across a rough horizontal surface by...
A 2.0 kg block starts from rest. It is pushed across a rough
horizontal surface by a force F (magnitude of F = 8.0 N) directed
at a 40° angle as shown. The block is found to accelerate along the
surface at 2.0 m/s2.
Prove that there is a frictional force acting on the block
F-8.0 N 40° 40 2.0 kg
A box with mass M is pulled across a frictionless surface with a constant force F...
A box with mass M is pulled across a frictionless surface with a constant force F as shown below. 13) What is horizontal acceleration of the box? Mg OF F/M OM F/g 14) What is the normal force on the box? Mg OF F/M ом F/g 15) After the block is accelerated for 5 s, the force stops pulling on the box. What happens? The block comes to rest. The block continues in the same direction with a constant speed....
The block shown is pulled a distance d = 1.5 m across a frictionless horizontal surface at a constant speed by the force shown. If M = 5.0 kg, F = 30 N and = 40°, find: (a) the work done by the force (b) the normal force exerted by the surface A light string can support a stationary hanging mass of 40 kg before breaking. Determine the maximum speed of a 5 kg object tied to one end of...
Please help
A. A block is pulled along a horizontal surface by a force of 12.0 N. The block has a mass of 4.00 kg and it accelerates at 2.00 m/s. Find the coefficient of kinetic friction for the interface between the block and the surface. B. A stone falls vertically through the air and experiences a drag force. If the stone's mass is 6.00 kg. and the drag force (upwards force) is 14.0 N, what is the acceleration of...
A mass m = 14 kg is pulled along a horizontal floor, with a
coefficient of kinetic friction μk = 0.12, for a
distance d = 5.9 m. Then the mass is continued to be pulled up a
frictionless incline that makes an angle θ = 38° with the
horizontal. The entire time the massless rope used to pull the
block is pulled parallel to the incline at an angle of θ = 38°
(thus on the incline it is...
2. A crate is pushed horizontally at an angle of 20° across a rough surface as shown. The mass of the crate is 55 kg and the coefficient of kinetic friction M = 0.35. a) What applied force is required to keep the box moving at a constant acceleration of 3m/s2 ? b) What applied force is needed to keep the box moving at a constant speed, that is, no acceleration? (2 pts.) 3. A 60-kg skier starts from rest...
A 2.0 kg block starts from rest. It is pushed across a rough
horizontal surface by a force F (magnitude of F = 8.0 N) directed
at a 40° angle as shown. The block is found to accelerate along the
surface at 2.0 m/s2.
Prove that there is a frictional force acting on the block
F-8.0 N 40° 40 2.0 kg
A box with mass M is pulled across a frictionless surface with a constant force F as shown below. 13) What is horizontal acceleration of the box? Mg OF F/M OM F/g 14) What is the normal force on the box? Mg OF F/M ом F/g 15) After the block is accelerated for 5 s, the force stops pulling on the box. What happens? The block comes to rest. The block continues in the same direction with a constant speed....
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