Answer:
66.42 N
Explanation:
Torque is defined as the product of force and the perpendicular distance.
Where, r be the distance, f be the force and θ be the angle between the force vector and the distance vector
Case I :
F = 53 N, r = 28 cm = 0.28 m, θ = 90°
So,
case II :
F = ?, r = 0.28 m, θ = 53°
Let the force be F for the same toque.
F = 66.42 N
Thus, the force required is 66.42 N.
Answer:
6000 N
Explanation:
Newton's third law states that:
"When an object A exerts a force (called action) on an object B, then object B exerts an equal and opposite force (called reaction) on object A"
In this problem, we can identify:
- The truck as object A
- The car as object B
This means that if the force exerted by the truck on the car (the action) is 6000 N, then the force exerted by the car on the truck (the reaction) must also have equal magnitude, 6000 N, and be in the opposite direction.
the answer is A. Their is less friction between the tire and the road at position A than at position B.
Answer:
Part B)
v = 4.98 m/s
Explanation:
Part a)
As the ball is rolling on the inclined the the friction force will be static friction and the contact point of the ball with the plane is at instantaneous rest
The point of contact is not slipping on the ground so we can say that the friction force work done would be zero.
So here in this case of pure rolling we can use the energy conservation
Part b)
By energy conservation principle we know that
initial kinetic energy + initial potential energy = final kinetic energy + final potential energy
so we will have
here in pure rolling we know that
now from above equation we have
now we have
now plug in all values in it
1. Cells
2. organelles
3. Cytoplasm
4. Nucleus itself—
5. mitochondrion
6. Cell cytoplasm
7. The cell membrane, provides protection for a cell.
8. A genotype refers to the genetic characteristics of an organism. A phenotype refers to the physical characteristics.
Hope this helped