Multiple Choice
A 50-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 30.0° below the horizontal is applied to the box. The coefficient of static friction between the box and the
Surface is 0.40, and the coefficient of kinetic friction is 0.30. What is the force of friction on the box?
A) 220 N
B) 620 N
C) 250 N
D) 200 N
E) 32 N
Correct Answer:

Verified
Correct Answer:
Verified
Q86: A projectile is shot horizontally at 23.4
Q87: A projectile is fired from ground level
Q88: A projectile is fired from the edge
Q89: The figure shows two vectors <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB34225555/.jpg"
Q90: A bulldozer attempts to drag a log
Q92: You walk 53 m to
Q93: A policeman investigating an accident measures the
Q94: In an air-free chamber, a pebble is
Q95: Vector <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB34225555/.jpg" alt="Vector has
Q96: A projectile is fired at an angle