If the horizontal component of a force is 30N, and the vertical component of a force is 20N, what is the size of the total force?
What is 36N
100
You push horizontally with 50 N on two boxes each having mass 50kg on a frictionless table. What is the acceleration?
What is 0.5
100
This is the tension in a rope that allows a single 20kg mass to hang without moving below it.
What is 196N
200
The Earth is about 1000 times smaller than the sun. What is the ratio of the force the sun exerts on the Earth, as compared to the force the Earth exerts on the sun?
What is 1
200
This is the first angle that will cause a car to slip on a driveway that has a coefficient of static friction of 0.95
What is 43.5 degrees
200
If the total force is 90N and it is directed at an angle of 60 degrees above horizontal, what are Fx and Fy?
What is Fx=45N and Fy=78N
200
You push with 300 N horizontally on three boxes (10kg, 20kg, and 30kg). What is the acceleration?
What is 5
200
This is the tension in a rope that pulls upwards on a 20kg mass and accelerates it upwards with 5 m/s2.
What is 296N
300
A force of 200 N is exerted horizontally on a mass of 10kg that slides across a flat table. There is a frictional force of 50N backwards. What is the acceleration of the mass?
What is 15
300
A 3kg block is placed on an incline of 30 degrees. If there is no friction, this is the acceleration.
What is 4.9
300
You push a 3 kg block across a frictionless table by pushing down on it with 40N at an angle of 30 degrees below horizontal. What is the acceleration of the block?
What is 11.55
300
You push on two boxes (10kg and 20kg). The coefficient of friction is 0.25, and the boxes accelerate with 4m/s2. What horizontal force did you push with?
What is 178.8N
300
This is the tension in a rope that pulls horizontally on a 30kg mass sliding with constant speed across a horizontal table with coefficient of friction 0.25
What is 73.5
400
A 80 N force is exerted horizontally on a 5kg block that slides across a rough surface. If the coefficient of kinetic friction is 0.2, this is the acceleration.
What is 14
400
A 4kg block is placed on an incline of 60 degrees that has a coefficient of kinetic friction of 0.3, what is the acceleration?
What is 7.02
400
You pull with 10N on a rope attached to a 30 kg block at angle of 50 degrees above horizontal. What is the normal force acting on the block?
What is 286N
400
You push from the left with 70N horizontally on two boxes (from left to right: 10 kg and 20 kg). What is the force that box 20kg pushes back on box 10kg?
What is 46.7N
400
This is the tension in a rope that pulls horizontally on a 20kg mass, which accelerating at 2m/s2 is sliding across a table with coefficient of friction 0.3
What is 98.8
500
How much force does it take to push a 4kg block with a constant speed of 12m/s, across a rough table with coefficient of kinetic friction 0.3.
What is 11.76N
500
A 5 kg box slides down a 50 degree incline with acceleration of 25m/s2. The coefficient of friction between the block and incline is 0.25, with what extra force do you need to push with in order to make the block accelerate with 25m/s2.
What is 95N
500
You pull on a rope with 40N at an angle of 20 degrees above horizontal. The rope is connected to a 9 kg block and the ground has coefficient of kinetic friction 0.2, what is the acceleration of the block?
What is 2.52
500
You push with 300N horizontally on three boxes (10kg 20kg 30kg). The coefficient of friction is 0.35, what is force box 30kg pushes back on box 20kg?
What is 47.1N
500
A 20kg mass is connected to a 10kg mass below it with a rope. If the 20kg mass has a rope on top of it pulling upwards with 400N, what is the tension in the rope connecting the two masses?