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A box remains stationary after it has been placed on a ramp inclined to the horizontal. Which of the following statements must be true about the magnitude of the frictional force acting on the crate? a. It is greater than the component of the gravitational force acting down the ramp. b. It is equal ustaticFN c. It is equal to the component of the gravitational force acting down the ramp. d. It is greater than the weight of the box. e. At least it is almost equal to the weight of the box.   If an object of mass m moves with constant speed v, the net force on the object is: a. mv b. ma c. mg d. None of these answers is correct e. 0

A box remains stationary after it has been placed on a ramp inclined to the horizontal. Which of the following statements must be true about the magnitude of the frictional force acting on the crate? a. It is greater than the component of the gravitational force acting down the ramp. b. It is equal ustaticFN c. It is equal to the component of the gravitational force acting down the ramp. d. It is greater than the weight of the box. e. At least it is almost equal to the weight of the box.   If an object of mass m moves with constant speed v, the net force on the object is: a. mv b. ma c. mg d. None of these answers is correct e. 0

Question

A box remains stationary after it has been placed on a ramp inclined to the horizontal. Which of the following statements must be true about the magnitude of the frictional force acting on the crate?

a. It is greater than the component of the gravitational force acting down the ramp.

b. It is equal ustaticFN

c. It is equal to the component of the gravitational force acting down the ramp.

d. It is greater than the weight of the box.

e. At least it is almost equal to the weight of the box.

 

If an object of mass m moves with constant speed v, the net force on the object is:

a. mv

b. ma

c. mg

d. None of these answers is correct

e. 0

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