The answer is D, perpendicular to the plane and smaller than the gravitational force.
Q2. What is the direction of the normal reaction force on the block and how does...
Is it possible to have a negative normal force and if so which direction does the negative force direct the object? If a computer that weighed 25 pounds had a rope tied to it that ran vertically upward over a pulley with a box weighing 50 pounds hanging from the other side would the force that the table exerts on the computer be equal to -25N or is that even possible? Wouldn't the computer accelerate up into the air having...
1. A kid is pulling on a lawnmower with an applied force FA that is 30° with respect to the horizontal. Which statement is true about the normal force acting on the lawnmower? (5 pts) A. The normal force acting on the block N = 0, 300 B. The normal force acting on the block N < mg. C. The normal force acting on the block N > mg. D. The normal force acting on the block N = mg....
The figure below shows a block with mass m = 5.3 kg pulled up a ramp inclined at an angle of 6 = 28° with a force of magnitude F = 33 N parallel to the ramp. m (a) If there is no friction between the block and the ramp, what is the magnitude of the block's acceleration (in m/s2)? 1.485 Draw a free-body diagram. What forces act on the block? Let the x-axis be parallel to the incline. What...
A mass M is located a distance D up an inclined plane (inclined by an angle theta). The mass is at rest, but it is experiencing the force of gravity and a frictional force opposing the motion of the block down the inclined plane. The normal force is a force perpendicular to the inclined plane equal in magnitude to the component of the block's weight that is also perpendicular to the inclined plane. A frictional force is proportional to the...
A child pulls a block across the floor with force applied by a horizontally held string. A smaller frictional force also acts upon the block yielding a net force on the block that is smaller than the force applied by the string. How does the work done by the string compare with the change in the block’s kinetic energy? the work done is greater than the change in the kinetic energy of the block The work done is equal to...
Which ones did I get wrong ?
kg block is sitting on a ramp that makes a 20 degree angle with the horizontal. What is the 1) A magnitude of the normal force exerted by the block on the ramp? A between 0 and 10 N between 10 and 20 N C) between 40 and 50 N D) between 20 and 30 N E) None of the above Which of the following is NOT true about forces? 2) A) Gravitational...
How to solve from part F to L
5.12 A 5 kg block is placed on a 10 m long incline which is at an angle of 30° to the horizontal as shown in Figure 5.9. The block is initially stationary and slides down the whole length of the incline. block o 10 m 30° Figure 5.9 If the block slides along the incline with- out friction: (a) What is the component of the grav- itational force in direction of...
f. Referring to part e, what is the magnitude and direction of
the force exerted on q?
g. If q= - 1800 μcoul, how does the answer in part f change?
2. Two point charges Q1 40 μcoul and Q2 -120 μcoul are fixed on the xy plane as shown in the figure i! at right. 8m, a. What is the electric field at b. What is the electric field at c. What is the resultant electric ,--4m point P...
need help with this whole problem
7. The block on the ramp shown is being pulled using the rope shown. (i) For the x-y axes shownlnotone of yourown choosing), which choices best represent the x & y components of the force by the rope on the box? Circle the letter for ALL choices that apply. +x U) 刁 (i) What is the direction of the Force by the Earth on the Block? (b) (c)し (d) (ii) Which of the following...
When an object rests on a surface, there is always a force
perpendicular to the surface; we call this the normal force,
denoted by . The two questions to the right will explore the normal
force.
figure A
figure B
A man attempts to pick up his suitcase of
weight by pulling straight up on the handle. (Part A
figure) However, he is unable to lift the suitcase from the floor.
Which statement about the magnitude of the normal force...