Home › CBSE Class 11 › Physics › c9kineticenergy › Per NCERT §5.4, the dimensions of kinetic energy…
Per NCERT §5.4, the dimensions of kinetic energy (and of work) are which?
A[M L² T⁻¹]
B[M L T⁻²]
C[M L² T⁻²]
D[M L T⁻¹]
Answer & Solution
Correct answer: C. [M L² T⁻²]
NCERT §5.4: K = (1/2)mv² ⇒ [M][L T⁻¹]² = [M L² T⁻²]. Same as work and PE.
Related questions
A crate dragged across a rough floor loses mechanical energy because friction is:Conservation of mechanical energy is the form the work-energy theorem takes when the forceCalculating work for a conservative force is easier than for a complicated path because itA force acting entirely perpendicular to an object's displacement does how much work?Mechanical energy transferred into or out of a system equals the work done by an external Winding up a toy or an old-fashioned watch stores energy by doing work against its:Which three energy examples are named together?The kinetic energy in the work-energy theorem is specifically the translational kinetic en