#1
A car is moving with a constant velocity of 20 m/s. What is its acceleration?
#2
A ball is thrown vertically upwards with an initial velocity of 20 m/s. What is its velocity when it reaches its highest point?
#3
A stone is thrown horizontally with an initial velocity of 15 m/s from a cliff 20 meters high. How long does it take for the stone to reach the ground?
#4
A 2 kg object is moving with a velocity of 6 m/s. What is its kinetic energy?
#5
A force of 50 N acts on an object for 10 seconds. What is the impulse experienced by the object?
#6
Which of the following equations represents Newton's second law of motion?
#7
A block of mass 2 kg is placed on a frictionless inclined plane with an angle of 30 degrees to the horizontal. What is the acceleration of the block down the plane?
#8
Which of the following is a conservative force?
#9
A particle moves along the x-axis according to the equation x(t) = 3t^2 - 2t + 5. What is its acceleration at t = 2 seconds?
#10
Which of the following quantities is a vector?
#11
A 1 kg object is moving in a circular path with a constant speed of 4 m/s. What is the magnitude of the centripetal force acting on the object if the radius of the circle is 2 meters?
#12
Two blocks of masses 4 kg and 6 kg are connected by a string that passes over a pulley. The 6 kg block is initially at rest on a frictionless surface, and the 4 kg block is hanging freely. What is the acceleration of the system?
#13
A 500 g object is attached to a horizontal spring with a spring constant of 100 N/m. If the spring is stretched by 0.2 meters from its equilibrium position, what is the magnitude of the force exerted by the spring?
#14
A cyclist is pedaling with a constant power output of 200 W. If the resistive force opposing the motion is 100 N, what is the cyclist's speed after 10 seconds, starting from rest?
#15