Work becomes less if force is applied to an angle with motion. a) True b) False

Q: 1. If the force has a magnitude Fp = 20 N and makes an angle of 30° to the ground. Calculate the…

A: The work done by a force is given by: WD = force×displacementW =F→.s→ = Fscos(θ)Given:F =20 Ns =…

Q: A boy pulls a 30.0-kg box with a 150-N force at 33° above a horizontal surface. If the coefficient…

A:

Q: As I carry a box up a flight of stairs, am I doing positive work or negative work on the box?…

A: When you carry a box up a flight of stairs, the force is in the direction of the displacement. Hence…

Q: A man returning from ice fishing trip pulls a sled with fish. Total mass of the sled and fish is…

A:

Q: Use the definition of scalar product, á b =ab cos 0, and the fact that a b = a,b, + a,b, + a,b, to…

A: Given, a→=4i^+4j^+4k^ and b→=8i→+7j→+5k→ And scalar product,  a→.b→=abcosθ,where…

Q: A force of constant magnitude pushes a boN up a vertical surface as shown in the figure. The box…

A: Given: Mass of the box, m = 6.2 kg Height of being pushed up, h = 2.9 m Coefficient of friction =…

Q: Determine whether the following statement is true or false and the reason your choice is correct. A…

A: Consider the variable x, where x=the length of the cable that has been pulled uptotal length of the…

Q: A 3 kg block is pushed 3 m up a 30° incline by a 50 N force aligned parallel to the ramp. The…

A: