AP Physics Grade 11- Term 1-Review Quiz

If the mass in the figure starts from rest, then how far it will move in 6 seconds?

• 54 m

• 45m

• 3m

• 6m

• 270000 m

• 27 km

• 27 m

• 87 km

On an airless planet, a ball is thrown downwards from a height of 20m with initial velocity of 15m/s. If the ball hits the surface in 1s, what is the planet's gravitational acceleration?

An object is being pushed on a horizontal surface with a horizontal force of 100 N. If it is moving with uniform velocity, and the kinetic coefficient of friction between between the sliding surfaces is 0.6, what is the normal force exerted by the surface on the object?

• 1600 N

• 600 N

• 60 N

• 167 N

• 105 m

• 75 m

• 30 m

• 80 m

A particle moves from point P to point Q. What is the displacement vector of this particle?

• PQ = -7 x -1y -2z

• PQ = 7 x + 1y + 2z

• PQ = 3 x + 1y - 6z

• PQ = -3 x -1y + 6z

When an object of mass 20kg is acted upon by a certain force, it moves with an acceleration of (2.5 x + 1.5 y)m/s^2. What is the magnitude of net force acting on the object?

• 1200 N

• 583 N

• 385 N

• 500 N

• 9.4 m/s^2

• 8.4 m/s^2

• 5.4 m/s^2

• 6.4 m/s^2

Which of the following equation represents vector sum of the forces in N along X-axis?