A 10 kg box on a platform which is inclined at 10 degree to the horizontal. The box is at rest relative to the platform. The platform is lowered with a speed increasing at 1.0 m/s2. What is the magnitude of the reaction force of the platform on the box?
An object has an acceleration to the right. Which one or more of the following statements is/are correct?
A. The object could be moving to the right.
B. The object could be moving to the left.
C. The object could be moving upwards.
D. The object could be moving downwards.
E. The object could...