Calculating Force Needed to Move Crate of Books on Truck

In summary, the formula for calculating the force needed to move a crate of books on a truck is force = mass x acceleration, with the mass being the weight of the crate of books and the acceleration being the acceleration due to gravity. The weight of the crate of books can be determined by using a scale or by adding up the individual weights of the books and any other materials in the crate. The factors that affect the force needed to move the crate of books on a truck include the weight of the crate, the friction between the crate and the truck, and the slope or incline of the truck's surface. To account for friction, the coefficient of friction between the crate and the truck's surface must be determined and multiplied by the weight of
  • #1
lou429
1
0
A crate of books is to be put on a truck with
the help of some planks sloping up at 33◦. The
mass of the crate is 100 kg, and the coefficient
of sliding friction between it and the planks is
0.4. You and your friends push horizontally
with a force ~F .
The acceleration of gravity is 9.81 m/s2 .
Once the crate has started to move, how
large must F be in order to keep the crate
moving at constant speed?
Answer in units of kN.
 
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FAQ: Calculating Force Needed to Move Crate of Books on Truck

What is the formula for calculating the force needed to move a crate of books on a truck?

The formula for calculating force is force = mass x acceleration. In this case, the mass would be the weight of the crate of books and the acceleration would be the acceleration due to gravity (9.8 m/s^2).

How do you determine the weight of the crate of books?

The weight of the crate of books can be determined by using a scale or by adding up the individual weights of the books and any other materials in the crate.

What factors affect the force needed to move the crate of books on a truck?

The force needed to move the crate of books on a truck is affected by the weight of the crate, the friction between the crate and the truck, and the slope or incline of the truck's surface.

How do you account for friction when calculating the force needed to move the crate of books?

To account for friction, you would need to determine the coefficient of friction between the crate and the truck's surface. This value can be found in tables or calculated through experiments. You would then multiply this coefficient by the weight of the crate to get the amount of frictional force acting on the crate.

What units should the force needed to move the crate of books be measured in?

The force needed to move the crate of books should be measured in Newtons (N), which is the standard unit of force in the metric system. In the imperial system, the force can be measured in pounds (lbs).

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