At an instant when a 4.0-kg object has an acceleration equal to $( 5 \hat { \mathbf { i } } + 3 \hat { \mathbf { j } } )$ m/s²,one of the two forces acting on the object is known to be $( 12 \tilde { \mathbf { i } } + 22 \tilde { \mathbf { j } } )$
N.Determine the magnitude of the other force acting on the object.

Question

At an instant when a 4.0-kg object has an acceleration equal to

( 5 \hat { \mathbf { i } } + 3 \hat { \mathbf { j } } )

m/s²,one of the two forces acting on the object is known to be

( 12 \tilde { \mathbf { i } } + 22 \tilde { \mathbf { j } } )

N.Determine the magnitude of the other force acting on the object.

Quizplus · Accepted Answer

The Answer of At an instant when a 4.0-kg object has an acceleration equal to $( 5 \hat { \mathbf { i } } + 3 \hat { \mathbf { j } } )$ m/s²,one of the two forces acting on the object is known to be $( 12 \tilde { \mathbf { i } } + 22 \tilde { \mathbf { j } } )$ N.Determine the magnitude of the other force acting on the object. A)2.0 N B)13 N C)18 N D)1.7 N E)20 N

At an Instant When a 4 (5i^+3j^)( 5 \hat { \mathbf { i } } + 3 \hat { \mathbf { j } } )(5i^+3j^​)

At an Instant When a 4 $( 5 \hat { \mathbf { i } } + 3 \hat { \mathbf { j } } )$