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The bolts on a car wheel require tightening to a torque of 90 N∙m.  If a 30 cm long wrench is used, what is the magnitude of the force required when the force is perpendicular to the wrench?

True or False: The acceleration of gravity experienced by objects located near to (and far from) from the earth depends upon the mass of the object.

A 5.0-kg cart is moving horizontally at 6.0m/s. In order to change its speed to 10.0m/s, the net work done on the cart must be:

A 9000-N automobile is pushed along a level road by four students who apply a total forwardforce of 500 N. Neglecting friction, the acceleration of the automobile is

A crane operator lowers a 16, 000-N steel ball with a downward acceleration of 3m/s2. The tension force of the cable is:

Do 100 J of work in 50 s and your power output is A)

A 0.50 kg mass attached to the end of a string swings in a horizontal  circle (radius = 2.0 m)  at 8.0 m/s. What is the magnitude of the force of the string on the mass at this position?

True or False: Electric forces between two charged objects increase with increasing separation distance.

Wherever the is an action force, there must be a reaction force which

A pickup truck with mass of 130 kg moving at 105 km/h  stops within a distance of 53.0 m What is  the force that acts on the truck?