A box is sitting on an inclined surface. The angle of the plane is 20 degrees, and the mass of the block is 7 kg.  -What is the magnitude and direction of the acceleration of the block as it slides down the surface? -If it takes the block 3 seconds to slide down the ramp, what is the length of the ramp?

Q: Your forehead can withstand a force of about 6.0 kN before fracturing, while your cheekbone can only…

A: Given : F1 = 6 kN = 6000 N F2 = 1.3 kN = 1300 N m = 140 g = 0.14 kg vi = 30 m/s vf = 0 (because…

Q: American astronauts brought a trunk of instruments on their trip to the Moon. The mass of the trunk…

A: Given: Here we have a trunk which is taken from earth to the moon and the mass of the trunk on…

Q: An African elephant can reach heights of 13 feet and possess a mass of as much as 6000 kg. Determine…

A: An African elephant can reach heights of 13 feet and possess a mass (m) of as much as 6000 kg.

Q: 02: Determine the magnitude of the force (F) so that the resultant (FR) of the three forces is as…

A:

Q: A 2 kg box is against a vertical wall by a small force (f1=10n) perpendicular to the surface of the…

A:

Q: The Star of Africa, a diamond in the royal scepter of the British crown jewels, has a mass of 530.2…

A: Given ,m = 530.2 caratm = 530.2 x 0.2 x10-3m = 0.10604 kg

Q: Find the magnitude of the hanging block's acceleration.

A: The equations of motion are,

Q: A boy has filled his toy box with all his favorite toys and it trying to drag it across the floor.…

A:

Q: A painting with a mass of 20 kg is suspended by two wires from a ceiling. If the wires make angles…

A: A painting with a mass of 20 kg is suspended by two wires from a ceiling. the wires make angles of…

Q: A 200m2 wall on a building has a drag coefficient of 0.4.  It is rated to a maximum wind force of…

A: Write the formula for the drag force.

Q: Find the sum of two ‘forces’: 100 g at 30º and 200 g at 120º, by:

A:

Q: the same elevator, determine the maximum number of people (50 kg each) it could accelerate upward at…

A:

Q: A person of mass m = 55 kg is in an elevator which is accelerating upward at acceleration a= 2.3…

A: Scenario - A man travelling up in a lift feels heavier due to resultant of his weight and…

Q: mass of 3.52 kg object is attached to a string. If the force of tension in the string is 52.2 N j,…

A:

Q: A 2.75 kg block (mass 1) and a 5.00 kg block (mass 2) are connected by a light string as shown; the…

A:

Q: An object weighs 432 N on the surface of the earth. The earth has radius R. If the object is raised…

A:

Q: Fig. P3-2 33 A homogeneus cylinder weighing 00 Ib sts against two smooth planes that form a trough…

A: Consider the following diagram:

Q: Mountain pull. A large mountain can slightly affect the direction of “down” as determined by a plumb…

A: Given: Radius (R)=2.00 km density (mass per unit volume)=2.6*103 kg/m3 Assume also thatwe hang…

Q: If a mass of 3.46 kg object is attached to a string. If the force of tension in the string is 50.2…

A: Given data: Mass of object is, m=3.46 kg. Tension force is, T→=50.2 N j.

Q: The weight of an astronaut plus his space suit on the Moon is only 292 N. How much (in N) do they…

A:

Q: A golf ball is hit from ground level with initial velocity given x(t)= 3 m/s(t) in a direction that…

A:

Q: A box is travelling inside an elevator travelling at uniform acceleration and 5 m/s when the box…

A:

Q: To be compliant with regulations the inclination angle of awheelchair ramp must not exceed 4.76°. If…

A:

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”